Finding the Fourth Proportional to 2,046.52, 3,061.86 and 1,431.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.52 : 3,061.86 = 1,431.28 : x
2. Step 2: Convert to fraction form
   2,046.52/3,061.86 = 1,431.28/x
3. Step 3: Cross multiply
   2,046.52x = 3,061.86 × 1,431.28
4. Step 4: Simplify right side
   2,046.52x = 4,382,378.98
5. Step 5: Solve for x
   x = 4,382,378.98/2,046.52
6. Step 6: Final answer
   x = 2,141.38