Finding the Fourth Proportional to 124,429.48, 186,538.52 and 57,908.24

Step by Step Solution

1. Step 1: Write the proportion equation
   124,429.48 : 186,538.52 = 57,908.24 : x
2. Step 2: Convert to fraction form
   124,429.48/186,538.52 = 57,908.24/x
3. Step 3: Cross multiply
   124,429.48x = 186,538.52 × 57,908.24
4. Step 4: Simplify right side
   124,429.48x = 10,802,117,385.40
5. Step 5: Solve for x
   x = 10,802,117,385.40/124,429.48
6. Step 6: Final answer
   x = 86,813.17