Finding the Fourth Proportional to 1,155.93, 1,734.78 and 848.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.93 : 1,734.78 = 848.58 : x
2. Step 2: Convert to fraction form
   1,155.93/1,734.78 = 848.58/x
3. Step 3: Cross multiply
   1,155.93x = 1,734.78 × 848.58
4. Step 4: Simplify right side
   1,155.93x = 1,472,099.61
5. Step 5: Solve for x
   x = 1,472,099.61/1,155.93
6. Step 6: Final answer
   x = 1,273.52