Finding the Fourth Proportional to 56,605.39, 78,116.24 and 31,114.11

Step by Step Solution

1. Step 1: Write the proportion equation
   56,605.39 : 78,116.24 = 31,114.11 : x
2. Step 2: Convert to fraction form
   56,605.39/78,116.24 = 31,114.11/x
3. Step 3: Cross multiply
   56,605.39x = 78,116.24 × 31,114.11
4. Step 4: Simplify right side
   56,605.39x = 2,430,517,284.15
5. Step 5: Solve for x
   x = 2,430,517,284.15/56,605.39
6. Step 6: Final answer
   x = 42,937.91