Finding the Fourth Proportional to 4,667.47, 6,998.79 and 1,380.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.47 : 6,998.79 = 1,380.16 : x
2. Step 2: Convert to fraction form
   4,667.47/6,998.79 = 1,380.16/x
3. Step 3: Cross multiply
   4,667.47x = 6,998.79 × 1,380.16
4. Step 4: Simplify right side
   4,667.47x = 9,659,450.01
5. Step 5: Solve for x
   x = 9,659,450.01/4,667.47
6. Step 6: Final answer
   x = 2,069.53