Finding the Fourth Proportional to 2,507.28, 3,761.61 and 1,274.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,507.28 : 3,761.61 = 1,274.37 : x
2. Step 2: Convert to fraction form
   2,507.28/3,761.61 = 1,274.37/x
3. Step 3: Cross multiply
   2,507.28x = 3,761.61 × 1,274.37
4. Step 4: Simplify right side
   2,507.28x = 4,793,682.94
5. Step 5: Solve for x
   x = 4,793,682.94/2,507.28
6. Step 6: Final answer
   x = 1,911.91