Finding the Fourth Proportional to 2,189.63, 3,021.76 and 1,194.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.63 : 3,021.76 = 1,194.94 : x
2. Step 2: Convert to fraction form
   2,189.63/3,021.76 = 1,194.94/x
3. Step 3: Cross multiply
   2,189.63x = 3,021.76 × 1,194.94
4. Step 4: Simplify right side
   2,189.63x = 3,610,803.45
5. Step 5: Solve for x
   x = 3,610,803.45/2,189.63
6. Step 6: Final answer
   x = 1,649.05