Finding the Fourth Proportional to 56,879.82, 78,496.29 and 31,734.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,879.82 : 78,496.29 = 31,734.18 : x
2. Step 2: Convert to fraction form
   56,879.82/78,496.29 = 31,734.18/x
3. Step 3: Cross multiply
   56,879.82x = 78,496.29 × 31,734.18
4. Step 4: Simplify right side
   56,879.82x = 2,491,015,396.19
5. Step 5: Solve for x
   x = 2,491,015,396.19/56,879.82
6. Step 6: Final answer
   x = 43,794.36