Finding the Fourth Proportional to 2,981.32, 4,469.20 and 2,735.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.32 : 4,469.20 = 2,735.28 : x
2. Step 2: Convert to fraction form
   2,981.32/4,469.20 = 2,735.28/x
3. Step 3: Cross multiply
   2,981.32x = 4,469.20 × 2,735.28
4. Step 4: Simplify right side
   2,981.32x = 12,224,513.38
5. Step 5: Solve for x
   x = 12,224,513.38/2,981.32
6. Step 6: Final answer
   x = 4,100.37