Finding the Fourth Proportional to 9,597.98, 13,245.18 and 5,618.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,597.98 : 13,245.18 = 5,618.30 : x
2. Step 2: Convert to fraction form
   9,597.98/13,245.18 = 5,618.30/x
3. Step 3: Cross multiply
   9,597.98x = 13,245.18 × 5,618.30
4. Step 4: Simplify right side
   9,597.98x = 74,415,394.79
5. Step 5: Solve for x
   x = 74,415,394.79/9,597.98
6. Step 6: Final answer
   x = 7,753.24