Finding the Fourth Proportional to 2,521.13, 3,479.18 and 1,402.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.13 : 3,479.18 = 1,402.18 : x
2. Step 2: Convert to fraction form
   2,521.13/3,479.18 = 1,402.18/x
3. Step 3: Cross multiply
   2,521.13x = 3,479.18 × 1,402.18
4. Step 4: Simplify right side
   2,521.13x = 4,878,436.61
5. Step 5: Solve for x
   x = 4,878,436.61/2,521.13
6. Step 6: Final answer
   x = 1,935.02