Finding the Fourth Proportional to 3,665.98, 5,061.36 and 2,546.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.98 : 5,061.36 = 2,546.56 : x
2. Step 2: Convert to fraction form
   3,665.98/5,061.36 = 2,546.56/x
3. Step 3: Cross multiply
   3,665.98x = 5,061.36 × 2,546.56
4. Step 4: Simplify right side
   3,665.98x = 12,889,056.92
5. Step 5: Solve for x
   x = 12,889,056.92/3,665.98
6. Step 6: Final answer
   x = 3,515.86