Finding the Fourth Proportional to 2,599.50, 3,900.47 and 1,504.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.50 : 3,900.47 = 1,504.79 : x
2. Step 2: Convert to fraction form
   2,599.50/3,900.47 = 1,504.79/x
3. Step 3: Cross multiply
   2,599.50x = 3,900.47 × 1,504.79
4. Step 4: Simplify right side
   2,599.50x = 5,869,378.50
5. Step 5: Solve for x
   x = 5,869,378.50/2,599.50
6. Step 6: Final answer
   x = 2,257.89