Finding the Fourth Proportional to 1,348.74, 1,856.58 and 1,162.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.74 : 1,856.58 = 1,162.85 : x
2. Step 2: Convert to fraction form
   1,348.74/1,856.58 = 1,162.85/x
3. Step 3: Cross multiply
   1,348.74x = 1,856.58 × 1,162.85
4. Step 4: Simplify right side
   1,348.74x = 2,158,914.77
5. Step 5: Solve for x
   x = 2,158,914.77/1,348.74
6. Step 6: Final answer
   x = 1,600.69