Finding the Fourth Proportional to 12,385.56, 17,100.04 and 7,672.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.56 : 17,100.04 = 7,672.56 : x
2. Step 2: Convert to fraction form
   12,385.56/17,100.04 = 7,672.56/x
3. Step 3: Cross multiply
   12,385.56x = 17,100.04 × 7,672.56
4. Step 4: Simplify right side
   12,385.56x = 131,201,082.90
5. Step 5: Solve for x
   x = 131,201,082.90/12,385.56
6. Step 6: Final answer
   x = 10,593.07