Finding the Fourth Proportional to 9,643.29, 13,307.76 and 5,451.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,643.29 : 13,307.76 = 5,451.54 : x
2. Step 2: Convert to fraction form
   9,643.29/13,307.76 = 5,451.54/x
3. Step 3: Cross multiply
   9,643.29x = 13,307.76 × 5,451.54
4. Step 4: Simplify right side
   9,643.29x = 72,547,785.95
5. Step 5: Solve for x
   x = 72,547,785.95/9,643.29
6. Step 6: Final answer
   x = 7,523.14