Finding the Fourth Proportional to 1,628.55, 2,443.06 and 935.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.55 : 2,443.06 = 935.10 : x
2. Step 2: Convert to fraction form
   1,628.55/2,443.06 = 935.10/x
3. Step 3: Cross multiply
   1,628.55x = 2,443.06 × 935.10
4. Step 4: Simplify right side
   1,628.55x = 2,284,505.41
5. Step 5: Solve for x
   x = 2,284,505.41/1,628.55
6. Step 6: Final answer
   x = 1,402.78