Finding the Fourth Proportional to 1,741.17, 2,399.31 and 1,298.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,741.17 : 2,399.31 = 1,298.10 : x
2. Step 2: Convert to fraction form
   1,741.17/2,399.31 = 1,298.10/x
3. Step 3: Cross multiply
   1,741.17x = 2,399.31 × 1,298.10
4. Step 4: Simplify right side
   1,741.17x = 3,114,544.31
5. Step 5: Solve for x
   x = 3,114,544.31/1,741.17
6. Step 6: Final answer
   x = 1,788.77