Finding the Fourth Proportional to 9,379.68, 12,943.92 and 5,603.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,379.68 : 12,943.92 = 5,603.52 : x
2. Step 2: Convert to fraction form
   9,379.68/12,943.92 = 5,603.52/x
3. Step 3: Cross multiply
   9,379.68x = 12,943.92 × 5,603.52
4. Step 4: Simplify right side
   9,379.68x = 72,531,514.60
5. Step 5: Solve for x
   x = 72,531,514.60/9,379.68
6. Step 6: Final answer
   x = 7,732.83