Finding the Fourth Proportional to 2,060.31, 2,843.30 and 1,128.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.31 : 2,843.30 = 1,128.81 : x
2. Step 2: Convert to fraction form
   2,060.31/2,843.30 = 1,128.81/x
3. Step 3: Cross multiply
   2,060.31x = 2,843.30 × 1,128.81
4. Step 4: Simplify right side
   2,060.31x = 3,209,545.47
5. Step 5: Solve for x
   x = 3,209,545.47/2,060.31
6. Step 6: Final answer
   x = 1,557.80