Finding the Fourth Proportional to 2,521.94, 3,480.50 and 1,402.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.94 : 3,480.50 = 1,402.85 : x
2. Step 2: Convert to fraction form
   2,521.94/3,480.50 = 1,402.85/x
3. Step 3: Cross multiply
   2,521.94x = 3,480.50 × 1,402.85
4. Step 4: Simplify right side
   2,521.94x = 4,882,595.01
5. Step 5: Solve for x
   x = 4,882,595.01/2,521.94
6. Step 6: Final answer
   x = 1,936.05