Finding the Fourth Proportional to 11,510.98, 17,182.43 and 9,878.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,510.98 : 17,182.43 = 9,878.02 : x
2. Step 2: Convert to fraction form
   11,510.98/17,182.43 = 9,878.02/x
3. Step 3: Cross multiply
   11,510.98x = 17,182.43 × 9,878.02
4. Step 4: Simplify right side
   11,510.98x = 169,728,331.89
5. Step 5: Solve for x
   x = 169,728,331.89/11,510.98
6. Step 6: Final answer
   x = 14,744.91