Finding the Fourth Proportional to 2,069.24, 3,103.94 and 972.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.24 : 3,103.94 = 972.84 : x
2. Step 2: Convert to fraction form
   2,069.24/3,103.94 = 972.84/x
3. Step 3: Cross multiply
   2,069.24x = 3,103.94 × 972.84
4. Step 4: Simplify right side
   2,069.24x = 3,019,627.78
5. Step 5: Solve for x
   x = 3,019,627.78/2,069.24
6. Step 6: Final answer
   x = 1,459.29