Finding the Fourth Proportional to 2,919.14, 4,375.06 and 2,300.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.14 : 4,375.06 = 2,300.40 : x
2. Step 2: Convert to fraction form
   2,919.14/4,375.06 = 2,300.40/x
3. Step 3: Cross multiply
   2,919.14x = 4,375.06 × 2,300.40
4. Step 4: Simplify right side
   2,919.14x = 10,064,388.02
5. Step 5: Solve for x
   x = 10,064,388.02/2,919.14
6. Step 6: Final answer
   x = 3,447.72