Finding the Fourth Proportional to 2,405.76, 3,606.72 and 1,527.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.76 : 3,606.72 = 1,527.36 : x
2. Step 2: Convert to fraction form
   2,405.76/3,606.72 = 1,527.36/x
3. Step 3: Cross multiply
   2,405.76x = 3,606.72 × 1,527.36
4. Step 4: Simplify right side
   2,405.76x = 5,508,759.86
5. Step 5: Solve for x
   x = 5,508,759.86/2,405.76
6. Step 6: Final answer
   x = 2,289.82