Finding the Fourth Proportional to 124,134.76, 186,086.94 and 56,616.04

Step by Step Solution

1. Step 1: Write the proportion equation
   124,134.76 : 186,086.94 = 56,616.04 : x
2. Step 2: Convert to fraction form
   124,134.76/186,086.94 = 56,616.04/x
3. Step 3: Cross multiply
   124,134.76x = 186,086.94 × 56,616.04
4. Step 4: Simplify right side
   124,134.76x = 10,535,505,638.52
5. Step 5: Solve for x
   x = 10,535,505,638.52/124,134.76
6. Step 6: Final answer
   x = 84,871.52