Finding the Fourth Proportional to 101,056.38, 139,463.50 and 58,035.40

Step by Step Solution

1. Step 1: Write the proportion equation
   101,056.38 : 139,463.50 = 58,035.40 : x
2. Step 2: Convert to fraction form
   101,056.38/139,463.50 = 58,035.40/x
3. Step 3: Cross multiply
   101,056.38x = 139,463.50 × 58,035.40
4. Step 4: Simplify right side
   101,056.38x = 8,093,820,007.90
5. Step 5: Solve for x
   x = 8,093,820,007.90/101,056.38
6. Step 6: Final answer
   x = 80,092.12