Finding the Fourth Proportional to 2,150.59, 3,225.75 and 1,284.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.59 : 3,225.75 = 1,284.25 : x
2. Step 2: Convert to fraction form
   2,150.59/3,225.75 = 1,284.25/x
3. Step 3: Cross multiply
   2,150.59x = 3,225.75 × 1,284.25
4. Step 4: Simplify right side
   2,150.59x = 4,142,669.44
5. Step 5: Solve for x
   x = 4,142,669.44/2,150.59
6. Step 6: Final answer
   x = 1,926.29