Finding the Fourth Proportional to 56,877.82, 78,493.53 and 31,732.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,877.82 : 78,493.53 = 31,732.18 : x
2. Step 2: Convert to fraction form
   56,877.82/78,493.53 = 31,732.18/x
3. Step 3: Cross multiply
   56,877.82x = 78,493.53 × 31,732.18
4. Step 4: Simplify right side
   56,877.82x = 2,490,770,822.80
5. Step 5: Solve for x
   x = 2,490,770,822.80/56,877.82
6. Step 6: Final answer
   x = 43,791.60