Finding the Fourth Proportional to 9,827.76, 13,559.76 and 5,847.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,827.76 : 13,559.76 = 5,847.12 : x
2. Step 2: Convert to fraction form
   9,827.76/13,559.76 = 5,847.12/x
3. Step 3: Cross multiply
   9,827.76x = 13,559.76 × 5,847.12
4. Step 4: Simplify right side
   9,827.76x = 79,285,543.89
5. Step 5: Solve for x
   x = 79,285,543.89/9,827.76
6. Step 6: Final answer
   x = 8,067.51