Finding the Fourth Proportional to 5,562.70, 8,322.45 and 3,618.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,562.70 : 8,322.45 = 3,618.70 : x
2. Step 2: Convert to fraction form
   5,562.70/8,322.45 = 3,618.70/x
3. Step 3: Cross multiply
   5,562.70x = 8,322.45 × 3,618.70
4. Step 4: Simplify right side
   5,562.70x = 30,116,449.82
5. Step 5: Solve for x
   x = 30,116,449.82/5,562.70
6. Step 6: Final answer
   x = 5,414.00