Finding the Fourth Proportional to 137,987.82, 207,052.20 and 59,080.86

Step by Step Solution

1. Step 1: Write the proportion equation
   137,987.82 : 207,052.20 = 59,080.86 : x
2. Step 2: Convert to fraction form
   137,987.82/207,052.20 = 59,080.86/x
3. Step 3: Cross multiply
   137,987.82x = 207,052.20 × 59,080.86
4. Step 4: Simplify right side
   137,987.82x = 12,232,822,040.89
5. Step 5: Solve for x
   x = 12,232,822,040.89/137,987.82
6. Step 6: Final answer
   x = 88,651.46