Finding the Fourth Proportional to 3,666.72, 5,527.20 and 3,614.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.72 : 5,527.20 = 3,614.88 : x
2. Step 2: Convert to fraction form
   3,666.72/5,527.20 = 3,614.88/x
3. Step 3: Cross multiply
   3,666.72x = 5,527.20 × 3,614.88
4. Step 4: Simplify right side
   3,666.72x = 19,980,164.74
5. Step 5: Solve for x
   x = 19,980,164.74/3,666.72
6. Step 6: Final answer
   x = 5,449.06