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Finding the Fourth Proportional to 219,300.09, 302,628.11 and 123,815.67

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Solution

The fourth proportional to 219,300.09, 302,628.11 and 123,815.67 is: 170,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,300.09 : 302,628.11 = 123,815.67 : x
  2. Step 2: Convert to fraction form
    219,300.09/302,628.11 = 123,815.67/x
  3. Step 3: Cross multiply
    219,300.09x = 302,628.11 × 123,815.67
  4. Step 4: Simplify right side
    219,300.09x = 37,470,102,200.48
  5. Step 5: Solve for x
    x = 37,470,102,200.48/219,300.09
  6. Step 6: Final answer
    x = 170,862.23

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