Finding the Fourth Proportional to 12,748.16, 17,592.42 and 7,082.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.16 : 17,592.42 = 7,082.88 : x
2. Step 2: Convert to fraction form
   12,748.16/17,592.42 = 7,082.88/x
3. Step 3: Cross multiply
   12,748.16x = 17,592.42 × 7,082.88
4. Step 4: Simplify right side
   12,748.16x = 124,604,999.77
5. Step 5: Solve for x
   x = 124,604,999.77/12,748.16
6. Step 6: Final answer
   x = 9,774.36