Finding the Fourth Proportional to 9,310.68, 12,847.23 and 5,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.68 : 12,847.23 = 5,724.50 : x
2. Step 2: Convert to fraction form
   9,310.68/12,847.23 = 5,724.50/x
3. Step 3: Cross multiply
   9,310.68x = 12,847.23 × 5,724.50
4. Step 4: Simplify right side
   9,310.68x = 73,543,903.90
5. Step 5: Solve for x
   x = 73,543,903.90/9,310.68
6. Step 6: Final answer
   x = 7,898.88