Finding the Fourth Proportional to 12,833.83, 17,710.16 and 7,168.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833.83 : 17,710.16 = 7,168.55 : x
2. Step 2: Convert to fraction form
   12,833.83/17,710.16 = 7,168.55/x
3. Step 3: Cross multiply
   12,833.83x = 17,710.16 × 7,168.55
4. Step 4: Simplify right side
   12,833.83x = 126,956,167.47
5. Step 5: Solve for x
   x = 126,956,167.47/12,833.83
6. Step 6: Final answer
   x = 9,892.31