Finding the Fourth Proportional to 56,893.98, 78,510.85 and 31,738.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,893.98 : 78,510.85 = 31,738.62 : x
2. Step 2: Convert to fraction form
   56,893.98/78,510.85 = 31,738.62/x
3. Step 3: Cross multiply
   56,893.98x = 78,510.85 × 31,738.62
4. Step 4: Simplify right side
   56,893.98x = 2,491,826,034.03
5. Step 5: Solve for x
   x = 2,491,826,034.03/56,893.98
6. Step 6: Final answer
   x = 43,797.71