Finding the Fourth Proportional to 56,479.82, 77,942.18 and 31,329.32

Step by Step Solution

1. Step 1: Write the proportion equation
   56,479.82 : 77,942.18 = 31,329.32 : x
2. Step 2: Convert to fraction form
   56,479.82/77,942.18 = 31,329.32/x
3. Step 3: Cross multiply
   56,479.82x = 77,942.18 × 31,329.32
4. Step 4: Simplify right side
   56,479.82x = 2,441,875,187.33
5. Step 5: Solve for x
   x = 2,441,875,187.33/56,479.82
6. Step 6: Final answer
   x = 43,234.48