Finding the Fourth Proportional to 2,619.50, 3,925.67 and 1,447.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.50 : 3,925.67 = 1,447.74 : x
2. Step 2: Convert to fraction form
   2,619.50/3,925.67 = 1,447.74/x
3. Step 3: Cross multiply
   2,619.50x = 3,925.67 × 1,447.74
4. Step 4: Simplify right side
   2,619.50x = 5,683,342.25
5. Step 5: Solve for x
   x = 5,683,342.25/2,619.50
6. Step 6: Final answer
   x = 2,169.63