Finding the Fourth Proportional to 2,790.16, 4,184.28 and 1,402.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790.16 : 4,184.28 = 1,402.96 : x
2. Step 2: Convert to fraction form
   2,790.16/4,184.28 = 1,402.96/x
3. Step 3: Cross multiply
   2,790.16x = 4,184.28 × 1,402.96
4. Step 4: Simplify right side
   2,790.16x = 5,870,377.47
5. Step 5: Solve for x
   x = 5,870,377.47/2,790.16
6. Step 6: Final answer
   x = 2,103.96