Finding the Fourth Proportional to 137,413.86, 206,233.83 and 58,617.06

Step by Step Solution

1. Step 1: Write the proportion equation
   137,413.86 : 206,233.83 = 58,617.06 : x
2. Step 2: Convert to fraction form
   137,413.86/206,233.83 = 58,617.06/x
3. Step 3: Cross multiply
   137,413.86x = 206,233.83 × 58,617.06
4. Step 4: Simplify right side
   137,413.86x = 12,088,820,787.14
5. Step 5: Solve for x
   x = 12,088,820,787.14/137,413.86
6. Step 6: Final answer
   x = 87,973.81