Finding the Fourth Proportional to 124,330.59, 186,495.72 and 57,734.30

Step by Step Solution

1. Step 1: Write the proportion equation
   124,330.59 : 186,495.72 = 57,734.30 : x
2. Step 2: Convert to fraction form
   124,330.59/186,495.72 = 57,734.30/x
3. Step 3: Cross multiply
   124,330.59x = 186,495.72 × 57,734.30
4. Step 4: Simplify right side
   124,330.59x = 10,767,200,096.93
5. Step 5: Solve for x
   x = 10,767,200,096.93/124,330.59
6. Step 6: Final answer
   x = 86,601.38