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Finding the Fourth Proportional to 282,069.60, 423,795.60 and 212,085.60

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Solution

The fourth proportional to 282,069.60, 423,795.60 and 212,085.60 is: 318,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,069.60 : 423,795.60 = 212,085.60 : x
  2. Step 2: Convert to fraction form
    282,069.60/423,795.60 = 212,085.60/x
  3. Step 3: Cross multiply
    282,069.60x = 423,795.60 × 212,085.60
  4. Step 4: Simplify right side
    282,069.60x = 89,880,944,103.36
  5. Step 5: Solve for x
    x = 89,880,944,103.36/282,069.60
  6. Step 6: Final answer
    x = 318,648.11

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