Finding the Fourth Proportional to 1,932.65, 2,665.86 and 1,185.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.65 : 2,665.86 = 1,185.31 : x
2. Step 2: Convert to fraction form
   1,932.65/2,665.86 = 1,185.31/x
3. Step 3: Cross multiply
   1,932.65x = 2,665.86 × 1,185.31
4. Step 4: Simplify right side
   1,932.65x = 3,159,868.57
5. Step 5: Solve for x
   x = 3,159,868.57/1,932.65
6. Step 6: Final answer
   x = 1,634.99