Finding the Fourth Proportional to 1,494.42, 2,238.17 and 1,145.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.42 : 2,238.17 = 1,145.10 : x
2. Step 2: Convert to fraction form
   1,494.42/2,238.17 = 1,145.10/x
3. Step 3: Cross multiply
   1,494.42x = 2,238.17 × 1,145.10
4. Step 4: Simplify right side
   1,494.42x = 2,562,930.15
5. Step 5: Solve for x
   x = 2,562,930.15/1,494.42
6. Step 6: Final answer
   x = 1,715.00