Finding the Fourth Proportional to 2,308.82, 3,187.58 and 1,562.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.82 : 3,187.58 = 1,562.90 : x
2. Step 2: Convert to fraction form
   2,308.82/3,187.58 = 1,562.90/x
3. Step 3: Cross multiply
   2,308.82x = 3,187.58 × 1,562.90
4. Step 4: Simplify right side
   2,308.82x = 4,981,868.78
5. Step 5: Solve for x
   x = 4,981,868.78/2,308.82
6. Step 6: Final answer
   x = 2,157.76