Finding the Fourth Proportional to 9,422.08, 12,997.56 and 5,591.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.08 : 12,997.56 = 5,591.48 : x
2. Step 2: Convert to fraction form
   9,422.08/12,997.56 = 5,591.48/x
3. Step 3: Cross multiply
   9,422.08x = 12,997.56 × 5,591.48
4. Step 4: Simplify right side
   9,422.08x = 72,675,596.79
5. Step 5: Solve for x
   x = 72,675,596.79/9,422.08
6. Step 6: Final answer
   x = 7,713.33