Finding the Fourth Proportional to 2,276.89, 3,144 and 1,533.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.89 : 3,144 = 1,533.31 : x
2. Step 2: Convert to fraction form
   2,276.89/3,144 = 1,533.31/x
3. Step 3: Cross multiply
   2,276.89x = 3,144 × 1,533.31
4. Step 4: Simplify right side
   2,276.89x = 4,820,726.64
5. Step 5: Solve for x
   x = 4,820,726.64/2,276.89
6. Step 6: Final answer
   x = 2,117.24