Finding the Fourth Proportional to 1,155.73, 1,723.59 and 1,025.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.73 : 1,723.59 = 1,025.59 : x
2. Step 2: Convert to fraction form
   1,155.73/1,723.59 = 1,025.59/x
3. Step 3: Cross multiply
   1,155.73x = 1,723.59 × 1,025.59
4. Step 4: Simplify right side
   1,155.73x = 1,767,696.67
5. Step 5: Solve for x
   x = 1,767,696.67/1,155.73
6. Step 6: Final answer
   x = 1,529.51