Finding the Fourth Proportional to 9,926.40, 13,695.36 and 5,733.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.40 : 13,695.36 = 5,733.12 : x
2. Step 2: Convert to fraction form
   9,926.40/13,695.36 = 5,733.12/x
3. Step 3: Cross multiply
   9,926.40x = 13,695.36 × 5,733.12
4. Step 4: Simplify right side
   9,926.40x = 78,517,142.32
5. Step 5: Solve for x
   x = 78,517,142.32/9,926.40
6. Step 6: Final answer
   x = 7,909.93