Finding the Fourth Proportional to 2,521.02, 3,478.89 and 1,402.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.02 : 3,478.89 = 1,402.03 : x
2. Step 2: Convert to fraction form
   2,521.02/3,478.89 = 1,402.03/x
3. Step 3: Cross multiply
   2,521.02x = 3,478.89 × 1,402.03
4. Step 4: Simplify right side
   2,521.02x = 4,877,508.15
5. Step 5: Solve for x
   x = 4,877,508.15/2,521.02
6. Step 6: Final answer
   x = 1,934.74