Finding the Fourth Proportional to 124,350.63, 186,379.83 and 57,650.37

Step by Step Solution

1. Step 1: Write the proportion equation
   124,350.63 : 186,379.83 = 57,650.37 : x
2. Step 2: Convert to fraction form
   124,350.63/186,379.83 = 57,650.37/x
3. Step 3: Cross multiply
   124,350.63x = 186,379.83 × 57,650.37
4. Step 4: Simplify right side
   124,350.63x = 10,744,866,160.04
5. Step 5: Solve for x
   x = 10,744,866,160.04/124,350.63
6. Step 6: Final answer
   x = 86,407.81