Finding the Fourth Proportional to 2,839.17, 3,906.15 and 2,501.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839.17 : 3,906.15 = 2,501.55 : x
2. Step 2: Convert to fraction form
   2,839.17/3,906.15 = 2,501.55/x
3. Step 3: Cross multiply
   2,839.17x = 3,906.15 × 2,501.55
4. Step 4: Simplify right side
   2,839.17x = 9,771,429.53
5. Step 5: Solve for x
   x = 9,771,429.53/2,839.17
6. Step 6: Final answer
   x = 3,441.65