Finding the Fourth Proportional to 17,568.68, 26,357.34 and 7,039.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,568.68 : 26,357.34 = 7,039.40 : x
2. Step 2: Convert to fraction form
   17,568.68/26,357.34 = 7,039.40/x
3. Step 3: Cross multiply
   17,568.68x = 26,357.34 × 7,039.40
4. Step 4: Simplify right side
   17,568.68x = 185,539,859.20
5. Step 5: Solve for x
   x = 185,539,859.20/17,568.68
6. Step 6: Final answer
   x = 10,560.83