Finding the Fourth Proportional to 3,061.02, 4,601.78 and 2,451.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.02 : 4,601.78 = 2,451.40 : x
2. Step 2: Convert to fraction form
   3,061.02/4,601.78 = 2,451.40/x
3. Step 3: Cross multiply
   3,061.02x = 4,601.78 × 2,451.40
4. Step 4: Simplify right side
   3,061.02x = 11,280,803.49
5. Step 5: Solve for x
   x = 11,280,803.49/3,061.02
6. Step 6: Final answer
   x = 3,685.31