Finding the Fourth Proportional to 9,423.55, 13,003.54 and 5,445.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.55 : 13,003.54 = 5,445.95 : x
2. Step 2: Convert to fraction form
   9,423.55/13,003.54 = 5,445.95/x
3. Step 3: Cross multiply
   9,423.55x = 13,003.54 × 5,445.95
4. Step 4: Simplify right side
   9,423.55x = 70,816,550.03
5. Step 5: Solve for x
   x = 70,816,550.03/9,423.55
6. Step 6: Final answer
   x = 7,514.85