Finding the Fourth Proportional to 9,439.92, 13,026.15 and 5,662.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,439.92 : 13,026.15 = 5,662.08 : x
2. Step 2: Convert to fraction form
   9,439.92/13,026.15 = 5,662.08/x
3. Step 3: Cross multiply
   9,439.92x = 13,026.15 × 5,662.08
4. Step 4: Simplify right side
   9,439.92x = 73,755,103.39
5. Step 5: Solve for x
   x = 73,755,103.39/9,439.92
6. Step 6: Final answer
   x = 7,813.11