Finding the Fourth Proportional to 12,753.16, 17,598.90 and 7,164.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,753.16 : 17,598.90 = 7,164.04 : x
2. Step 2: Convert to fraction form
   12,753.16/17,598.90 = 7,164.04/x
3. Step 3: Cross multiply
   12,753.16x = 17,598.90 × 7,164.04
4. Step 4: Simplify right side
   12,753.16x = 126,079,223.56
5. Step 5: Solve for x
   x = 126,079,223.56/12,753.16
6. Step 6: Final answer
   x = 9,886.12