Finding the Fourth Proportional to 2,919.41, 4,376.61 and 1,274.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.41 : 4,376.61 = 1,274.75 : x
2. Step 2: Convert to fraction form
   2,919.41/4,376.61 = 1,274.75/x
3. Step 3: Cross multiply
   2,919.41x = 4,376.61 × 1,274.75
4. Step 4: Simplify right side
   2,919.41x = 5,579,061.71
5. Step 5: Solve for x
   x = 5,579,061.71/2,919.41
6. Step 6: Final answer
   x = 1,911.03