Finding the Fourth Proportional to 9,798.58, 13,520.72 and 5,818.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.58 : 13,520.72 = 5,818.92 : x
2. Step 2: Convert to fraction form
   9,798.58/13,520.72 = 5,818.92/x
3. Step 3: Cross multiply
   9,798.58x = 13,520.72 × 5,818.92
4. Step 4: Simplify right side
   9,798.58x = 78,675,988.02
5. Step 5: Solve for x
   x = 78,675,988.02/9,798.58
6. Step 6: Final answer
   x = 8,029.33