Finding the Fourth Proportional to 5,614.86, 7,749.27 and 4,215.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,614.86 : 7,749.27 = 4,215.18 : x
2. Step 2: Convert to fraction form
   5,614.86/7,749.27 = 4,215.18/x
3. Step 3: Cross multiply
   5,614.86x = 7,749.27 × 4,215.18
4. Step 4: Simplify right side
   5,614.86x = 32,664,567.92
5. Step 5: Solve for x
   x = 32,664,567.92/5,614.86
6. Step 6: Final answer
   x = 5,817.52