Finding the Fourth Proportional to 17,388.82, 26,118.18 and 10,382.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.82 : 26,118.18 = 10,382.56 : x
2. Step 2: Convert to fraction form
   17,388.82/26,118.18 = 10,382.56/x
3. Step 3: Cross multiply
   17,388.82x = 26,118.18 × 10,382.56
4. Step 4: Simplify right side
   17,388.82x = 271,173,570.94
5. Step 5: Solve for x
   x = 271,173,570.94/17,388.82
6. Step 6: Final answer
   x = 15,594.71