Finding the Fourth Proportional to 57,116.48, 78,820.73 and 31,965.98

Step by Step Solution

1. Step 1: Write the proportion equation
   57,116.48 : 78,820.73 = 31,965.98 : x
2. Step 2: Convert to fraction form
   57,116.48/78,820.73 = 31,965.98/x
3. Step 3: Cross multiply
   57,116.48x = 78,820.73 × 31,965.98
4. Step 4: Simplify right side
   57,116.48x = 2,519,581,958.68
5. Step 5: Solve for x
   x = 2,519,581,958.68/57,116.48
6. Step 6: Final answer
   x = 44,113.05