Finding the Fourth Proportional to 12,733.04, 17,570.76 and 7,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,733.04 : 17,570.76 = 7,142.96 : x
2. Step 2: Convert to fraction form
   12,733.04/17,570.76 = 7,142.96/x
3. Step 3: Cross multiply
   12,733.04x = 17,570.76 × 7,142.96
4. Step 4: Simplify right side
   12,733.04x = 125,507,235.85
5. Step 5: Solve for x
   x = 125,507,235.85/12,733.04
6. Step 6: Final answer
   x = 9,856.82