Finding the Fourth Proportional to 147,436.71, 221,169.42 and 58,669.47

Step by Step Solution

1. Step 1: Write the proportion equation
   147,436.71 : 221,169.42 = 58,669.47 : x
2. Step 2: Convert to fraction form
   147,436.71/221,169.42 = 58,669.47/x
3. Step 3: Cross multiply
   147,436.71x = 221,169.42 × 58,669.47
4. Step 4: Simplify right side
   147,436.71x = 12,975,892,651.61
5. Step 5: Solve for x
   x = 12,975,892,651.61/147,436.71
6. Step 6: Final answer
   x = 88,009.92