Finding the Fourth Proportional to 5,634.93, 8,404.76 and 5,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,634.93 : 8,404.76 = 5,309.72 : x
2. Step 2: Convert to fraction form
   5,634.93/8,404.76 = 5,309.72/x
3. Step 3: Cross multiply
   5,634.93x = 8,404.76 × 5,309.72
4. Step 4: Simplify right side
   5,634.93x = 44,626,853.69
5. Step 5: Solve for x
   x = 44,626,853.69/5,634.93
6. Step 6: Final answer
   x = 7,919.68