Finding the Fourth Proportional to 56,757.12, 78,324.86 and 31,606.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,757.12 : 78,324.86 = 31,606.62 : x
2. Step 2: Convert to fraction form
   56,757.12/78,324.86 = 31,606.62/x
3. Step 3: Cross multiply
   56,757.12x = 78,324.86 × 31,606.62
4. Step 4: Simplify right side
   56,757.12x = 2,475,584,086.57
5. Step 5: Solve for x
   x = 2,475,584,086.57/56,757.12
6. Step 6: Final answer
   x = 43,617.15