Finding the Fourth Proportional to 2,184.63, 3,014.72 and 1,276.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.63 : 3,014.72 = 1,276.31 : x
2. Step 2: Convert to fraction form
   2,184.63/3,014.72 = 1,276.31/x
3. Step 3: Cross multiply
   2,184.63x = 3,014.72 × 1,276.31
4. Step 4: Simplify right side
   2,184.63x = 3,847,717.28
5. Step 5: Solve for x
   x = 3,847,717.28/2,184.63
6. Step 6: Final answer
   x = 1,761.27