Finding the Fourth Proportional to 5,298.62, 7,308.23 and 3,618.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.62 : 7,308.23 = 3,618.27 : x
2. Step 2: Convert to fraction form
   5,298.62/7,308.23 = 3,618.27/x
3. Step 3: Cross multiply
   5,298.62x = 7,308.23 × 3,618.27
4. Step 4: Simplify right side
   5,298.62x = 26,443,131.27
5. Step 5: Solve for x
   x = 26,443,131.27/5,298.62
6. Step 6: Final answer
   x = 4,990.57