Finding the Fourth Proportional to 9,643.88, 13,308.84 and 5,394.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,643.88 : 13,308.84 = 5,394.83 : x
2. Step 2: Convert to fraction form
   9,643.88/13,308.84 = 5,394.83/x
3. Step 3: Cross multiply
   9,643.88x = 13,308.84 × 5,394.83
4. Step 4: Simplify right side
   9,643.88x = 71,798,862.75
5. Step 5: Solve for x
   x = 71,798,862.75/9,643.88
6. Step 6: Final answer
   x = 7,445.02