Finding the Fourth Proportional to 2,103.32, 3,150.73 and 1,061.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.32 : 3,150.73 = 1,061.87 : x
2. Step 2: Convert to fraction form
   2,103.32/3,150.73 = 1,061.87/x
3. Step 3: Cross multiply
   2,103.32x = 3,150.73 × 1,061.87
4. Step 4: Simplify right side
   2,103.32x = 3,345,665.67
5. Step 5: Solve for x
   x = 3,345,665.67/2,103.32
6. Step 6: Final answer
   x = 1,590.66