Finding the Fourth Proportional to 56,915.25, 78,544.67 and 31,766.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,915.25 : 78,544.67 = 31,766.37 : x
2. Step 2: Convert to fraction form
   56,915.25/78,544.67 = 31,766.37/x
3. Step 3: Cross multiply
   56,915.25x = 78,544.67 × 31,766.37
4. Step 4: Simplify right side
   56,915.25x = 2,495,078,889.92
5. Step 5: Solve for x
   x = 2,495,078,889.92/56,915.25
6. Step 6: Final answer
   x = 43,838.49