Finding the Fourth Proportional to 57,065.34, 78,752.52 and 31,571.29

Step by Step Solution

1. Step 1: Write the proportion equation
   57,065.34 : 78,752.52 = 31,571.29 : x
2. Step 2: Convert to fraction form
   57,065.34/78,752.52 = 31,571.29/x
3. Step 3: Cross multiply
   57,065.34x = 78,752.52 × 31,571.29
4. Step 4: Simplify right side
   57,065.34x = 2,486,318,647.15
5. Step 5: Solve for x
   x = 2,486,318,647.15/57,065.34
6. Step 6: Final answer
   x = 43,569.68