Finding the Fourth Proportional to 2,189.77, 3,284.25 and 940.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.77 : 3,284.25 = 940.59 : x
2. Step 2: Convert to fraction form
   2,189.77/3,284.25 = 940.59/x
3. Step 3: Cross multiply
   2,189.77x = 3,284.25 × 940.59
4. Step 4: Simplify right side
   2,189.77x = 3,089,111.58
5. Step 5: Solve for x
   x = 3,089,111.58/2,189.77
6. Step 6: Final answer
   x = 1,410.70