Finding the Fourth Proportional to 9,798.96, 13,523.28 and 5,607.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.96 : 13,523.28 = 5,607.12 : x
2. Step 2: Convert to fraction form
   9,798.96/13,523.28 = 5,607.12/x
3. Step 3: Cross multiply
   9,798.96x = 13,523.28 × 5,607.12
4. Step 4: Simplify right side
   9,798.96x = 75,826,653.75
5. Step 5: Solve for x
   x = 75,826,653.75/9,798.96
6. Step 6: Final answer
   x = 7,738.23