Finding the Fourth Proportional to 137,997.92, 207,077.20 and 58,030.10

Step by Step Solution

1. Step 1: Write the proportion equation
   137,997.92 : 207,077.20 = 58,030.10 : x
2. Step 2: Convert to fraction form
   137,997.92/207,077.20 = 58,030.10/x
3. Step 3: Cross multiply
   137,997.92x = 207,077.20 × 58,030.10
4. Step 4: Simplify right side
   137,997.92x = 12,016,710,623.72
5. Step 5: Solve for x
   x = 12,016,710,623.72/137,997.92
6. Step 6: Final answer
   x = 87,078.93