Finding the Fourth Proportional to 81,621.37, 122,432.82 and 24,695.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,621.37 : 122,432.82 = 24,695.72 : x
2. Step 2: Convert to fraction form
   81,621.37/122,432.82 = 24,695.72/x
3. Step 3: Cross multiply
   81,621.37x = 122,432.82 × 24,695.72
4. Step 4: Simplify right side
   81,621.37x = 3,023,566,641.53
5. Step 5: Solve for x
   x = 3,023,566,641.53/81,621.37
6. Step 6: Final answer
   x = 37,043.81