Finding the Fourth Proportional to 1,765.50, 2,435.31 and 1,175.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.50 : 2,435.31 = 1,175.82 : x
2. Step 2: Convert to fraction form
   1,765.50/2,435.31 = 1,175.82/x
3. Step 3: Cross multiply
   1,765.50x = 2,435.31 × 1,175.82
4. Step 4: Simplify right side
   1,765.50x = 2,863,486.20
5. Step 5: Solve for x
   x = 2,863,486.20/1,765.50
6. Step 6: Final answer
   x = 1,621.91