Finding the Fourth Proportional to 17,061.48, 23,542.72 and 9,891.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.48 : 23,542.72 = 9,891.36 : x
2. Step 2: Convert to fraction form
   17,061.48/23,542.72 = 9,891.36/x
3. Step 3: Cross multiply
   17,061.48x = 23,542.72 × 9,891.36
4. Step 4: Simplify right side
   17,061.48x = 232,869,518.90
5. Step 5: Solve for x
   x = 232,869,518.90/17,061.48
6. Step 6: Final answer
   x = 13,648.85