Finding the Fourth Proportional to 1,856.41, 2,785.83 and 702.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.41 : 2,785.83 = 702.16 : x
2. Step 2: Convert to fraction form
   1,856.41/2,785.83 = 702.16/x
3. Step 3: Cross multiply
   1,856.41x = 2,785.83 × 702.16
4. Step 4: Simplify right side
   1,856.41x = 1,956,098.39
5. Step 5: Solve for x
   x = 1,956,098.39/1,856.41
6. Step 6: Final answer
   x = 1,053.70