Finding the Fourth Proportional to 56,406.56, 77,841.12 and 31,256

Step by Step Solution

1. Step 1: Write the proportion equation
   56,406.56 : 77,841.12 = 31,256 : x
2. Step 2: Convert to fraction form
   56,406.56/77,841.12 = 31,256/x
3. Step 3: Cross multiply
   56,406.56x = 77,841.12 × 31,256
4. Step 4: Simplify right side
   56,406.56x = 2,433,002,046.72
5. Step 5: Solve for x
   x = 2,433,002,046.72/56,406.56
6. Step 6: Final answer
   x = 43,133.32