Finding the Fourth Proportional to 2,520.34, 3,478.01 and 1,401.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.34 : 3,478.01 = 1,401.23 : x
2. Step 2: Convert to fraction form
   2,520.34/3,478.01 = 1,401.23/x
3. Step 3: Cross multiply
   2,520.34x = 3,478.01 × 1,401.23
4. Step 4: Simplify right side
   2,520.34x = 4,873,493.64
5. Step 5: Solve for x
   x = 4,873,493.64/2,520.34
6. Step 6: Final answer
   x = 1,933.67