Finding the Fourth Proportional to 2,527.42, 3,784.72 and 2,115.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.42 : 3,784.72 = 2,115.52 : x
2. Step 2: Convert to fraction form
   2,527.42/3,784.72 = 2,115.52/x
3. Step 3: Cross multiply
   2,527.42x = 3,784.72 × 2,115.52
4. Step 4: Simplify right side
   2,527.42x = 8,006,650.85
5. Step 5: Solve for x
   x = 8,006,650.85/2,527.42
6. Step 6: Final answer
   x = 3,167.91