Finding the Fourth Proportional to 2,188.83, 3,284.22 and 1,148.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.83 : 3,284.22 = 1,148.59 : x
2. Step 2: Convert to fraction form
   2,188.83/3,284.22 = 1,148.59/x
3. Step 3: Cross multiply
   2,188.83x = 3,284.22 × 1,148.59
4. Step 4: Simplify right side
   2,188.83x = 3,772,222.25
5. Step 5: Solve for x
   x = 3,772,222.25/2,188.83
6. Step 6: Final answer
   x = 1,723.40