Finding the Fourth Proportional to 2,737.31, 4,104.72 and 1,276.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.31 : 4,104.72 = 1,276.88 : x
2. Step 2: Convert to fraction form
   2,737.31/4,104.72 = 1,276.88/x
3. Step 3: Cross multiply
   2,737.31x = 4,104.72 × 1,276.88
4. Step 4: Simplify right side
   2,737.31x = 5,241,214.35
5. Step 5: Solve for x
   x = 5,241,214.35/2,737.31
6. Step 6: Final answer
   x = 1,914.74