Finding the Fourth Proportional to 124,064.67, 186,115.46 and 57,511.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,064.67 : 186,115.46 = 57,511.52 : x
2. Step 2: Convert to fraction form
   124,064.67/186,115.46 = 57,511.52/x
3. Step 3: Cross multiply
   124,064.67x = 186,115.46 × 57,511.52
4. Step 4: Simplify right side
   124,064.67x = 10,703,783,526.80
5. Step 5: Solve for x
   x = 10,703,783,526.80/124,064.67
6. Step 6: Final answer
   x = 86,275.84