Finding the Fourth Proportional to 2,308.14, 3,182.72 and 1,560.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.14 : 3,182.72 = 1,560.78 : x
2. Step 2: Convert to fraction form
   2,308.14/3,182.72 = 1,560.78/x
3. Step 3: Cross multiply
   2,308.14x = 3,182.72 × 1,560.78
4. Step 4: Simplify right side
   2,308.14x = 4,967,517.92
5. Step 5: Solve for x
   x = 4,967,517.92/2,308.14
6. Step 6: Final answer
   x = 2,152.17