Finding the Fourth Proportional to 2,710.72, 4,065.81 and 1,248.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.72 : 4,065.81 = 1,248.94 : x
2. Step 2: Convert to fraction form
   2,710.72/4,065.81 = 1,248.94/x
3. Step 3: Cross multiply
   2,710.72x = 4,065.81 × 1,248.94
4. Step 4: Simplify right side
   2,710.72x = 5,077,952.74
5. Step 5: Solve for x
   x = 5,077,952.74/2,710.72
6. Step 6: Final answer
   x = 1,873.29