Finding the Fourth Proportional to 12,952.68, 17,872.50 and 7,645.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,952.68 : 17,872.50 = 7,645.56 : x
2. Step 2: Convert to fraction form
   12,952.68/17,872.50 = 7,645.56/x
3. Step 3: Cross multiply
   12,952.68x = 17,872.50 × 7,645.56
4. Step 4: Simplify right side
   12,952.68x = 136,645,271.10
5. Step 5: Solve for x
   x = 136,645,271.10/12,952.68
6. Step 6: Final answer
   x = 10,549.58