Finding the Fourth Proportional to 12,731.83, 17,569.30 and 7,066.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,731.83 : 17,569.30 = 7,066.51 : x
2. Step 2: Convert to fraction form
   12,731.83/17,569.30 = 7,066.51/x
3. Step 3: Cross multiply
   12,731.83x = 17,569.30 × 7,066.51
4. Step 4: Simplify right side
   12,731.83x = 124,153,634.14
5. Step 5: Solve for x
   x = 124,153,634.14/12,731.83
6. Step 6: Final answer
   x = 9,751.44