Finding the Fourth Proportional to 74,294.16, 102,468.72 and 51,632.88

Step by Step Solution

1. Step 1: Write the proportion equation
   74,294.16 : 102,468.72 = 51,632.88 : x
2. Step 2: Convert to fraction form
   74,294.16/102,468.72 = 51,632.88/x
3. Step 3: Cross multiply
   74,294.16x = 102,468.72 × 51,632.88
4. Step 4: Simplify right side
   74,294.16x = 5,290,755,123.51
5. Step 5: Solve for x
   x = 5,290,755,123.51/74,294.16
6. Step 6: Final answer
   x = 71,213.61