Finding the Fourth Proportional to 101,362.27, 139,877.75 and 56,042.17

Step by Step Solution

1. Step 1: Write the proportion equation
   101,362.27 : 139,877.75 = 56,042.17 : x
2. Step 2: Convert to fraction form
   101,362.27/139,877.75 = 56,042.17/x
3. Step 3: Cross multiply
   101,362.27x = 139,877.75 × 56,042.17
4. Step 4: Simplify right side
   101,362.27x = 7,839,052,644.72
5. Step 5: Solve for x
   x = 7,839,052,644.72/101,362.27
6. Step 6: Final answer
   x = 77,336.99