Finding the Fourth Proportional to 2,280.82, 3,147.54 and 1,232.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.82 : 3,147.54 = 1,232.89 : x
2. Step 2: Convert to fraction form
   2,280.82/3,147.54 = 1,232.89/x
3. Step 3: Cross multiply
   2,280.82x = 3,147.54 × 1,232.89
4. Step 4: Simplify right side
   2,280.82x = 3,880,570.59
5. Step 5: Solve for x
   x = 3,880,570.59/2,280.82
6. Step 6: Final answer
   x = 1,701.39