Finding the Fourth Proportional to 1,045.68, 1,441.89 and 1,035.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.68 : 1,441.89 = 1,035.15 : x
2. Step 2: Convert to fraction form
   1,045.68/1,441.89 = 1,035.15/x
3. Step 3: Cross multiply
   1,045.68x = 1,441.89 × 1,035.15
4. Step 4: Simplify right side
   1,045.68x = 1,492,572.43
5. Step 5: Solve for x
   x = 1,492,572.43/1,045.68
6. Step 6: Final answer
   x = 1,427.37