Finding the Fourth Proportional to 2,702.50, 4,050.87 and 1,402.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.50 : 4,050.87 = 1,402.18 : x
2. Step 2: Convert to fraction form
   2,702.50/4,050.87 = 1,402.18/x
3. Step 3: Cross multiply
   2,702.50x = 4,050.87 × 1,402.18
4. Step 4: Simplify right side
   2,702.50x = 5,680,048.90
5. Step 5: Solve for x
   x = 5,680,048.90/2,702.50
6. Step 6: Final answer
   x = 2,101.78