Finding the Fourth Proportional to 2,928.69, 4,034.43 and 2,507.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928.69 : 4,034.43 = 2,507.67 : x
2. Step 2: Convert to fraction form
   2,928.69/4,034.43 = 2,507.67/x
3. Step 3: Cross multiply
   2,928.69x = 4,034.43 × 2,507.67
4. Step 4: Simplify right side
   2,928.69x = 10,117,019.08
5. Step 5: Solve for x
   x = 10,117,019.08/2,928.69
6. Step 6: Final answer
   x = 3,454.45