Finding the Fourth Proportional to 141,886.71, 212,892.80 and 74,402.62

Step by Step Solution

1. Step 1: Write the proportion equation
   141,886.71 : 212,892.80 = 74,402.62 : x
2. Step 2: Convert to fraction form
   141,886.71/212,892.80 = 74,402.62/x
3. Step 3: Cross multiply
   141,886.71x = 212,892.80 × 74,402.62
4. Step 4: Simplify right side
   141,886.71x = 15,839,781,194.89
5. Step 5: Solve for x
   x = 15,839,781,194.89/141,886.71
6. Step 6: Final answer
   x = 111,636.82