Finding the Fourth Proportional to 1,175.09, 1,618.17 and 1,050.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175.09 : 1,618.17 = 1,050.71 : x
2. Step 2: Convert to fraction form
   1,175.09/1,618.17 = 1,050.71/x
3. Step 3: Cross multiply
   1,175.09x = 1,618.17 × 1,050.71
4. Step 4: Simplify right side
   1,175.09x = 1,700,227.40
5. Step 5: Solve for x
   x = 1,700,227.40/1,175.09
6. Step 6: Final answer
   x = 1,446.89