Finding the Fourth Proportional to 1,734.78, 2,598.48 and 1,404.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,734.78 : 2,598.48 = 1,404.30 : x
2. Step 2: Convert to fraction form
   1,734.78/2,598.48 = 1,404.30/x
3. Step 3: Cross multiply
   1,734.78x = 2,598.48 × 1,404.30
4. Step 4: Simplify right side
   1,734.78x = 3,649,045.46
5. Step 5: Solve for x
   x = 3,649,045.46/1,734.78
6. Step 6: Final answer
   x = 2,103.46