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Finding the Fourth Proportional to 212,926, 318,724.66 and 156,829.44

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Solution

The fourth proportional to 212,926, 318,724.66 and 156,829.44 is: 234,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,926 : 318,724.66 = 156,829.44 : x
  2. Step 2: Convert to fraction form
    212,926/318,724.66 = 156,829.44/x
  3. Step 3: Cross multiply
    212,926x = 318,724.66 × 156,829.44
  4. Step 4: Simplify right side
    212,926x = 49,985,409,941.99
  5. Step 5: Solve for x
    x = 49,985,409,941.99/212,926
  6. Step 6: Final answer
    x = 234,754.84

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