Finding the Fourth Proportional to 3,061.86, 4,591.23 and 2,839.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.86 : 4,591.23 = 2,839.51 : x
2. Step 2: Convert to fraction form
   3,061.86/4,591.23 = 2,839.51/x
3. Step 3: Cross multiply
   3,061.86x = 4,591.23 × 2,839.51
4. Step 4: Simplify right side
   3,061.86x = 13,036,843.50
5. Step 5: Solve for x
   x = 13,036,843.50/3,061.86
6. Step 6: Final answer
   x = 4,257.82