Finding the Fourth Proportional to 57,780.18, 86,682.42 and 32,831.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,780.18 : 86,682.42 = 32,831.82 : x
2. Step 2: Convert to fraction form
   57,780.18/86,682.42 = 32,831.82/x
3. Step 3: Cross multiply
   57,780.18x = 86,682.42 × 32,831.82
4. Step 4: Simplify right side
   57,780.18x = 2,845,941,610.60
5. Step 5: Solve for x
   x = 2,845,941,610.60/57,780.18
6. Step 6: Final answer
   x = 49,254.63