Finding the Fourth Proportional to 9,382.86, 12,945.91 and 5,604.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,382.86 : 12,945.91 = 5,604.36 : x
2. Step 2: Convert to fraction form
   9,382.86/12,945.91 = 5,604.36/x
3. Step 3: Cross multiply
   9,382.86x = 12,945.91 × 5,604.36
4. Step 4: Simplify right side
   9,382.86x = 72,553,540.17
5. Step 5: Solve for x
   x = 72,553,540.17/9,382.86
6. Step 6: Final answer
   x = 7,732.56