Finding the Fourth Proportional to 1,175.59, 1,618.41 and 1,020.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175.59 : 1,618.41 = 1,020.34 : x
2. Step 2: Convert to fraction form
   1,175.59/1,618.41 = 1,020.34/x
3. Step 3: Cross multiply
   1,175.59x = 1,618.41 × 1,020.34
4. Step 4: Simplify right side
   1,175.59x = 1,651,328.46
5. Step 5: Solve for x
   x = 1,651,328.46/1,175.59
6. Step 6: Final answer
   x = 1,404.68