Finding the Fourth Proportional to 1,855.98, 2,784.69 and 702.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.98 : 2,784.69 = 702.54 : x
2. Step 2: Convert to fraction form
   1,855.98/2,784.69 = 702.54/x
3. Step 3: Cross multiply
   1,855.98x = 2,784.69 × 702.54
4. Step 4: Simplify right side
   1,855.98x = 1,956,356.11
5. Step 5: Solve for x
   x = 1,956,356.11/1,855.98
6. Step 6: Final answer
   x = 1,054.08