Finding the Fourth Proportional to 3,061.59, 4,225.94 and 2,904.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.59 : 4,225.94 = 2,904.85 : x
2. Step 2: Convert to fraction form
   3,061.59/4,225.94 = 2,904.85/x
3. Step 3: Cross multiply
   3,061.59x = 4,225.94 × 2,904.85
4. Step 4: Simplify right side
   3,061.59x = 12,275,721.81
5. Step 5: Solve for x
   x = 12,275,721.81/3,061.59
6. Step 6: Final answer
   x = 4,009.59