Finding the Fourth Proportional to 2,275.02, 3,408.21 and 1,298.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.02 : 3,408.21 = 1,298.16 : x
2. Step 2: Convert to fraction form
   2,275.02/3,408.21 = 1,298.16/x
3. Step 3: Cross multiply
   2,275.02x = 3,408.21 × 1,298.16
4. Step 4: Simplify right side
   2,275.02x = 4,424,401.89
5. Step 5: Solve for x
   x = 4,424,401.89/2,275.02
6. Step 6: Final answer
   x = 1,944.77