Finding the Fourth Proportional to 17,550.78, 26,326.89 and 5,865.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,550.78 : 26,326.89 = 5,865.18 : x
2. Step 2: Convert to fraction form
   17,550.78/26,326.89 = 5,865.18/x
3. Step 3: Cross multiply
   17,550.78x = 26,326.89 × 5,865.18
4. Step 4: Simplify right side
   17,550.78x = 154,411,948.69
5. Step 5: Solve for x
   x = 154,411,948.69/17,550.78
6. Step 6: Final answer
   x = 8,798.01