Finding the Fourth Proportional to 137,990.82, 207,056.70 and 59,083.86

Step by Step Solution

1. Step 1: Write the proportion equation
   137,990.82 : 207,056.70 = 59,083.86 : x
2. Step 2: Convert to fraction form
   137,990.82/207,056.70 = 59,083.86/x
3. Step 3: Cross multiply
   137,990.82x = 207,056.70 × 59,083.86
4. Step 4: Simplify right side
   137,990.82x = 12,233,709,074.86
5. Step 5: Solve for x
   x = 12,233,709,074.86/137,990.82
6. Step 6: Final answer
   x = 88,655.96