Finding the Fourth Proportional to 17,797.50, 26,700.04 and 5,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,797.50 : 26,700.04 = 5,318.50 : x
2. Step 2: Convert to fraction form
   17,797.50/26,700.04 = 5,318.50/x
3. Step 3: Cross multiply
   17,797.50x = 26,700.04 × 5,318.50
4. Step 4: Simplify right side
   17,797.50x = 142,004,162.74
5. Step 5: Solve for x
   x = 142,004,162.74/17,797.50
6. Step 6: Final answer
   x = 7,978.88