Finding the Fourth Proportional to 56,158.58, 77,496.81 and 31,007.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,158.58 : 77,496.81 = 31,007.54 : x
2. Step 2: Convert to fraction form
   56,158.58/77,496.81 = 31,007.54/x
3. Step 3: Cross multiply
   56,158.58x = 77,496.81 × 31,007.54
4. Step 4: Simplify right side
   56,158.58x = 2,402,985,435.95
5. Step 5: Solve for x
   x = 2,402,985,435.95/56,158.58
6. Step 6: Final answer
   x = 42,789.28