Finding the Fourth Proportional to 17,868.72, 26,805.56 and 10,375.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.72 : 26,805.56 = 10,375.82 : x
2. Step 2: Convert to fraction form
   17,868.72/26,805.56 = 10,375.82/x
3. Step 3: Cross multiply
   17,868.72x = 26,805.56 × 10,375.82
4. Step 4: Simplify right side
   17,868.72x = 278,129,665.56
5. Step 5: Solve for x
   x = 278,129,665.56/17,868.72
6. Step 6: Final answer
   x = 15,565.17