Finding the Fourth Proportional to 2,993.28, 4,130.72 and 1,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.28 : 4,130.72 = 1,667.10 : x
2. Step 2: Convert to fraction form
   2,993.28/4,130.72 = 1,667.10/x
3. Step 3: Cross multiply
   2,993.28x = 4,130.72 × 1,667.10
4. Step 4: Simplify right side
   2,993.28x = 6,886,294.32
5. Step 5: Solve for x
   x = 6,886,294.32/2,993.28
6. Step 6: Final answer
   x = 2,300.59