Finding the Fourth Proportional to 1,836.67, 2,535.20 and 1,175.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.67 : 2,535.20 = 1,175.31 : x
2. Step 2: Convert to fraction form
   1,836.67/2,535.20 = 1,175.31/x
3. Step 3: Cross multiply
   1,836.67x = 2,535.20 × 1,175.31
4. Step 4: Simplify right side
   1,836.67x = 2,979,645.91
5. Step 5: Solve for x
   x = 2,979,645.91/1,836.67
6. Step 6: Final answer
   x = 1,622.31