Finding the Fourth Proportional to 17,870.24, 24,663.68 and 17,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.24 : 24,663.68 = 17,082.72 : x
2. Step 2: Convert to fraction form
   17,870.24/24,663.68 = 17,082.72/x
3. Step 3: Cross multiply
   17,870.24x = 24,663.68 × 17,082.72
4. Step 4: Simplify right side
   17,870.24x = 421,322,739.61
5. Step 5: Solve for x
   x = 421,322,739.61/17,870.24
6. Step 6: Final answer
   x = 23,576.78