Finding the Fourth Proportional to 56,258.56, 77,634.72 and 31,108.48

Step by Step Solution

1. Step 1: Write the proportion equation
   56,258.56 : 77,634.72 = 31,108.48 : x
2. Step 2: Convert to fraction form
   56,258.56/77,634.72 = 31,108.48/x
3. Step 3: Cross multiply
   56,258.56x = 77,634.72 × 31,108.48
4. Step 4: Simplify right side
   56,258.56x = 2,415,098,134.43
5. Step 5: Solve for x
   x = 2,415,098,134.43/56,258.56
6. Step 6: Final answer
   x = 42,928.55