Finding the Fourth Proportional to 2,928.02, 4,387.17 and 1,282.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.02 : 4,387.17 = 1,282.10 : x
2. Step 2: Convert to fraction form
   2,928.02/4,387.17 = 1,282.10/x
3. Step 3: Cross multiply
   2,928.02x = 4,387.17 × 1,282.10
4. Step 4: Simplify right side
   2,928.02x = 5,624,790.66
5. Step 5: Solve for x
   x = 5,624,790.66/2,928.02
6. Step 6: Final answer
   x = 1,921.02