Finding the Fourth Proportional to 17,238.80, 25,860.63 and 5,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238.80 : 25,860.63 = 5,550.50 : x
2. Step 2: Convert to fraction form
   17,238.80/25,860.63 = 5,550.50/x
3. Step 3: Cross multiply
   17,238.80x = 25,860.63 × 5,550.50
4. Step 4: Simplify right side
   17,238.80x = 143,539,426.82
5. Step 5: Solve for x
   x = 143,539,426.82/17,238.80
6. Step 6: Final answer
   x = 8,326.53