Finding the Fourth Proportional to 11,550.18, 17,310.88 and 5,303.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.18 : 17,310.88 = 5,303.55 : x
2. Step 2: Convert to fraction form
   11,550.18/17,310.88 = 5,303.55/x
3. Step 3: Cross multiply
   11,550.18x = 17,310.88 × 5,303.55
4. Step 4: Simplify right side
   11,550.18x = 91,809,117.62
5. Step 5: Solve for x
   x = 91,809,117.62/11,550.18
6. Step 6: Final answer
   x = 7,948.72