Finding the Fourth Proportional to 8,971.48, 12,382.77 and 5,614.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,971.48 : 12,382.77 = 5,614.30 : x
2. Step 2: Convert to fraction form
   8,971.48/12,382.77 = 5,614.30/x
3. Step 3: Cross multiply
   8,971.48x = 12,382.77 × 5,614.30
4. Step 4: Simplify right side
   8,971.48x = 69,520,585.61
5. Step 5: Solve for x
   x = 69,520,585.61/8,971.48
6. Step 6: Final answer
   x = 7,749.07