Finding the Fourth Proportional to 81,404.64, 122,124.24 and 25,248.96

Step by Step Solution

1. Step 1: Write the proportion equation
   81,404.64 : 122,124.24 = 25,248.96 : x
2. Step 2: Convert to fraction form
   81,404.64/122,124.24 = 25,248.96/x
3. Step 3: Cross multiply
   81,404.64x = 122,124.24 × 25,248.96
4. Step 4: Simplify right side
   81,404.64x = 3,083,510,050.79
5. Step 5: Solve for x
   x = 3,083,510,050.79/81,404.64
6. Step 6: Final answer
   x = 37,878.80