Finding the Fourth Proportional to 12,949.88, 17,875.67 and 7,574.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949.88 : 17,875.67 = 7,574.04 : x
2. Step 2: Convert to fraction form
   12,949.88/17,875.67 = 7,574.04/x
3. Step 3: Cross multiply
   12,949.88x = 17,875.67 × 7,574.04
4. Step 4: Simplify right side
   12,949.88x = 135,391,001.74
5. Step 5: Solve for x
   x = 135,391,001.74/12,949.88
6. Step 6: Final answer
   x = 10,455.00