Finding the Fourth Proportional to 17,399.68, 26,103.84 and 7,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399.68 : 26,103.84 = 7,018.72 : x
2. Step 2: Convert to fraction form
   17,399.68/26,103.84 = 7,018.72/x
3. Step 3: Cross multiply
   17,399.68x = 26,103.84 × 7,018.72
4. Step 4: Simplify right side
   17,399.68x = 183,215,543.88
5. Step 5: Solve for x
   x = 183,215,543.88/17,399.68
6. Step 6: Final answer
   x = 10,529.82