Finding the Fourth Proportional to 4,667.28, 7,002.24 and 1,380.36

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.28 : 7,002.24 = 1,380.36 : x
2. Step 2: Convert to fraction form
   4,667.28/7,002.24 = 1,380.36/x
3. Step 3: Cross multiply
   4,667.28x = 7,002.24 × 1,380.36
4. Step 4: Simplify right side
   4,667.28x = 9,665,612.01
5. Step 5: Solve for x
   x = 9,665,612.01/4,667.28
6. Step 6: Final answer
   x = 2,070.93