Finding the Fourth Proportional to 2,521.94, 3,479.91 and 1,402.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.94 : 3,479.91 = 1,402.91 : x
2. Step 2: Convert to fraction form
   2,521.94/3,479.91 = 1,402.91/x
3. Step 3: Cross multiply
   2,521.94x = 3,479.91 × 1,402.91
4. Step 4: Simplify right side
   2,521.94x = 4,882,000.54
5. Step 5: Solve for x
   x = 4,882,000.54/2,521.94
6. Step 6: Final answer
   x = 1,935.81