Finding the Fourth Proportional to 9,909.24, 13,674.72 and 5,433.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.24 : 13,674.72 = 5,433.13 : x
2. Step 2: Convert to fraction form
   9,909.24/13,674.72 = 5,433.13/x
3. Step 3: Cross multiply
   9,909.24x = 13,674.72 × 5,433.13
4. Step 4: Simplify right side
   9,909.24x = 74,296,492.02
5. Step 5: Solve for x
   x = 74,296,492.02/9,909.24
6. Step 6: Final answer
   x = 7,497.70