Finding the Fourth Proportional to 57,686.72, 86,533.79 and 24,402.47

Step by Step Solution

1. Step 1: Write the proportion equation
   57,686.72 : 86,533.79 = 24,402.47 : x
2. Step 2: Convert to fraction form
   57,686.72/86,533.79 = 24,402.47/x
3. Step 3: Cross multiply
   57,686.72x = 86,533.79 × 24,402.47
4. Step 4: Simplify right side
   57,686.72x = 2,111,637,659.78
5. Step 5: Solve for x
   x = 2,111,637,659.78/57,686.72
6. Step 6: Final answer
   x = 36,605.27