Finding the Fourth Proportional to 56,480.32, 77,942.88 and 31,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,480.32 : 77,942.88 = 31,329.82 : x
2. Step 2: Convert to fraction form
   56,480.32/77,942.88 = 31,329.82/x
3. Step 3: Cross multiply
   56,480.32x = 77,942.88 × 31,329.82
4. Step 4: Simplify right side
   56,480.32x = 2,441,935,854.32
5. Step 5: Solve for x
   x = 2,441,935,854.32/56,480.32
6. Step 6: Final answer
   x = 43,235.17