Finding the Fourth Proportional to 10,340.49, 14,269.98 and 5,624.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.49 : 14,269.98 = 5,624.78 : x
2. Step 2: Convert to fraction form
   10,340.49/14,269.98 = 5,624.78/x
3. Step 3: Cross multiply
   10,340.49x = 14,269.98 × 5,624.78
4. Step 4: Simplify right side
   10,340.49x = 80,265,462.43
5. Step 5: Solve for x
   x = 80,265,462.43/10,340.49
6. Step 6: Final answer
   x = 7,762.25