Finding the Fourth Proportional to 1,931.67, 2,664.56 and 1,233.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.67 : 2,664.56 = 1,233.05 : x
2. Step 2: Convert to fraction form
   1,931.67/2,664.56 = 1,233.05/x
3. Step 3: Cross multiply
   1,931.67x = 2,664.56 × 1,233.05
4. Step 4: Simplify right side
   1,931.67x = 3,285,525.47
5. Step 5: Solve for x
   x = 3,285,525.47/1,931.67
6. Step 6: Final answer
   x = 1,700.87