Finding the Fourth Proportional to 2,189.48, 3,021.50 and 1,194.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.48 : 3,021.50 = 1,194.77 : x
2. Step 2: Convert to fraction form
   2,189.48/3,021.50 = 1,194.77/x
3. Step 3: Cross multiply
   2,189.48x = 3,021.50 × 1,194.77
4. Step 4: Simplify right side
   2,189.48x = 3,609,980.95
5. Step 5: Solve for x
   x = 3,609,980.95/2,189.48
6. Step 6: Final answer
   x = 1,648.79