Finding the Fourth Proportional to 9,798.80, 13,522.24 and 5,607

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798.80 : 13,522.24 = 5,607 : x
2. Step 2: Convert to fraction form
   9,798.80/13,522.24 = 5,607/x
3. Step 3: Cross multiply
   9,798.80x = 13,522.24 × 5,607
4. Step 4: Simplify right side
   9,798.80x = 75,819,199.68
5. Step 5: Solve for x
   x = 75,819,199.68/9,798.80
6. Step 6: Final answer
   x = 7,737.60