Finding the Fourth Proportional to 137,987.27, 206,807.76 and 59,008.62

Step by Step Solution

1. Step 1: Write the proportion equation
   137,987.27 : 206,807.76 = 59,008.62 : x
2. Step 2: Convert to fraction form
   137,987.27/206,807.76 = 59,008.62/x
3. Step 3: Cross multiply
   137,987.27x = 206,807.76 × 59,008.62
4. Step 4: Simplify right side
   137,987.27x = 12,203,440,522.89
5. Step 5: Solve for x
   x = 12,203,440,522.89/137,987.27
6. Step 6: Final answer
   x = 88,438.89