Finding the Fourth Proportional to 2,018.50, 2,785.56 and 1,232.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.50 : 2,785.56 = 1,232.38 : x
2. Step 2: Convert to fraction form
   2,018.50/2,785.56 = 1,232.38/x
3. Step 3: Cross multiply
   2,018.50x = 2,785.56 × 1,232.38
4. Step 4: Simplify right side
   2,018.50x = 3,432,868.43
5. Step 5: Solve for x
   x = 3,432,868.43/2,018.50
6. Step 6: Final answer
   x = 1,700.70