Finding the Fourth Proportional to 2,155.09, 3,229.50 and 1,060.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.09 : 3,229.50 = 1,060.23 : x
2. Step 2: Convert to fraction form
   2,155.09/3,229.50 = 1,060.23/x
3. Step 3: Cross multiply
   2,155.09x = 3,229.50 × 1,060.23
4. Step 4: Simplify right side
   2,155.09x = 3,424,012.79
5. Step 5: Solve for x
   x = 3,424,012.79/2,155.09
6. Step 6: Final answer
   x = 1,588.80