Finding the Fourth Proportional to 57,114.24, 78,814.56 and 31,958.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,114.24 : 78,814.56 = 31,958.88 : x
2. Step 2: Convert to fraction form
   57,114.24/78,814.56 = 31,958.88/x
3. Step 3: Cross multiply
   57,114.24x = 78,814.56 × 31,958.88
4. Step 4: Simplify right side
   57,114.24x = 2,518,825,065.29
5. Step 5: Solve for x
   x = 2,518,825,065.29/57,114.24
6. Step 6: Final answer
   x = 44,101.52