Finding the Fourth Proportional to 17,061.59, 23,542.22 and 9,890.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.59 : 23,542.22 = 9,890.10 : x
2. Step 2: Convert to fraction form
   17,061.59/23,542.22 = 9,890.10/x
3. Step 3: Cross multiply
   17,061.59x = 23,542.22 × 9,890.10
4. Step 4: Simplify right side
   17,061.59x = 232,834,934.75
5. Step 5: Solve for x
   x = 232,834,934.75/17,061.59
6. Step 6: Final answer
   x = 13,646.74