Finding the Fourth Proportional to 13,185.04, 18,192.72 and 7,882.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,185.04 : 18,192.72 = 7,882.24 : x
2. Step 2: Convert to fraction form
   13,185.04/18,192.72 = 7,882.24/x
3. Step 3: Cross multiply
   13,185.04x = 18,192.72 × 7,882.24
4. Step 4: Simplify right side
   13,185.04x = 143,399,385.29
5. Step 5: Solve for x
   x = 143,399,385.29/13,185.04
6. Step 6: Final answer
   x = 10,875.92