Finding the Fourth Proportional to 2,280.02, 3,146.46 and 1,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.02 : 3,146.46 = 1,383.50 : x
2. Step 2: Convert to fraction form
   2,280.02/3,146.46 = 1,383.50/x
3. Step 3: Cross multiply
   2,280.02x = 3,146.46 × 1,383.50
4. Step 4: Simplify right side
   2,280.02x = 4,353,130.09
5. Step 5: Solve for x
   x = 4,353,130.09/2,280.02
6. Step 6: Final answer
   x = 1,909.25