Finding the Fourth Proportional to 9,597.47, 13,244.78 and 5,618.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,597.47 : 13,244.78 = 5,618.21 : x
2. Step 2: Convert to fraction form
   9,597.47/13,244.78 = 5,618.21/x
3. Step 3: Cross multiply
   9,597.47x = 13,244.78 × 5,618.21
4. Step 4: Simplify right side
   9,597.47x = 74,411,903.27
5. Step 5: Solve for x
   x = 74,411,903.27/9,597.47
6. Step 6: Final answer
   x = 7,753.29