Finding the Fourth Proportional to 2,188.82, 3,020.46 and 1,194.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.82 : 3,020.46 = 1,194.05 : x
2. Step 2: Convert to fraction form
   2,188.82/3,020.46 = 1,194.05/x
3. Step 3: Cross multiply
   2,188.82x = 3,020.46 × 1,194.05
4. Step 4: Simplify right side
   2,188.82x = 3,606,580.26
5. Step 5: Solve for x
   x = 3,606,580.26/2,188.82
6. Step 6: Final answer
   x = 1,647.73