Finding the Fourth Proportional to 2,284.05, 3,425.01 and 1,188.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.05 : 3,425.01 = 1,188.12 : x
2. Step 2: Convert to fraction form
   2,284.05/3,425.01 = 1,188.12/x
3. Step 3: Cross multiply
   2,284.05x = 3,425.01 × 1,188.12
4. Step 4: Simplify right side
   2,284.05x = 4,069,315.35
5. Step 5: Solve for x
   x = 4,069,315.35/2,284.05
6. Step 6: Final answer
   x = 1,781.62