Finding the Fourth Proportional to 5,630.31, 8,422.38 and 5,298.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,630.31 : 8,422.38 = 5,298.62 : x
2. Step 2: Convert to fraction form
   5,630.31/8,422.38 = 5,298.62/x
3. Step 3: Cross multiply
   5,630.31x = 8,422.38 × 5,298.62
4. Step 4: Simplify right side
   5,630.31x = 44,626,949.00
5. Step 5: Solve for x
   x = 44,626,949.00/5,630.31
6. Step 6: Final answer
   x = 7,926.20