Finding the Fourth Proportional to 12,731.34, 17,568.62 and 7,066.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,731.34 : 17,568.62 = 7,066.02 : x
2. Step 2: Convert to fraction form
   12,731.34/17,568.62 = 7,066.02/x
3. Step 3: Cross multiply
   12,731.34x = 17,568.62 × 7,066.02
4. Step 4: Simplify right side
   12,731.34x = 124,140,220.29
5. Step 5: Solve for x
   x = 124,140,220.29/12,731.34
6. Step 6: Final answer
   x = 9,750.76