Finding the Fourth Proportional to 9,849.27, 13,591.76 and 5,657.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,849.27 : 13,591.76 = 5,657.79 : x
2. Step 2: Convert to fraction form
   9,849.27/13,591.76 = 5,657.79/x
3. Step 3: Cross multiply
   9,849.27x = 13,591.76 × 5,657.79
4. Step 4: Simplify right side
   9,849.27x = 76,899,295.52
5. Step 5: Solve for x
   x = 76,899,295.52/9,849.27
6. Step 6: Final answer
   x = 7,807.61