Finding the Fourth Proportional to 57,073.33, 78,761.33 and 31,581.55

Step by Step Solution

1. Step 1: Write the proportion equation
   57,073.33 : 78,761.33 = 31,581.55 : x
2. Step 2: Convert to fraction form
   57,073.33/78,761.33 = 31,581.55/x
3. Step 3: Cross multiply
   57,073.33x = 78,761.33 × 31,581.55
4. Step 4: Simplify right side
   57,073.33x = 2,487,404,881.46
5. Step 5: Solve for x
   x = 2,487,404,881.46/57,073.33
6. Step 6: Final answer
   x = 43,582.61