Finding the Fourth Proportional to 25,128.09, 34,679.54 and 16,061.83

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.09 : 34,679.54 = 16,061.83 : x
2. Step 2: Convert to fraction form
   25,128.09/34,679.54 = 16,061.83/x
3. Step 3: Cross multiply
   25,128.09x = 34,679.54 × 16,061.83
4. Step 4: Simplify right side
   25,128.09x = 557,016,829.41
5. Step 5: Solve for x
   x = 557,016,829.41/25,128.09
6. Step 6: Final answer
   x = 22,167.10