Finding the Fourth Proportional to 2,521.18, 3,479.13 and 1,402.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.18 : 3,479.13 = 1,402.08 : x
2. Step 2: Convert to fraction form
   2,521.18/3,479.13 = 1,402.08/x
3. Step 3: Cross multiply
   2,521.18x = 3,479.13 × 1,402.08
4. Step 4: Simplify right side
   2,521.18x = 4,878,018.59
5. Step 5: Solve for x
   x = 4,878,018.59/2,521.18
6. Step 6: Final answer
   x = 1,934.82