Finding the Fourth Proportional to 57,820.71, 86,743.82 and 24,569.20

Step by Step Solution

1. Step 1: Write the proportion equation
   57,820.71 : 86,743.82 = 24,569.20 : x
2. Step 2: Convert to fraction form
   57,820.71/86,743.82 = 24,569.20/x
3. Step 3: Cross multiply
   57,820.71x = 86,743.82 × 24,569.20
4. Step 4: Simplify right side
   57,820.71x = 2,131,226,222.78
5. Step 5: Solve for x
   x = 2,131,226,222.78/57,820.71
6. Step 6: Final answer
   x = 36,859.22