Finding the Fourth Proportional to 2,189.50, 3,021.51 and 1,492.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.50 : 3,021.51 = 1,492.09 : x
2. Step 2: Convert to fraction form
   2,189.50/3,021.51 = 1,492.09/x
3. Step 3: Cross multiply
   2,189.50x = 3,021.51 × 1,492.09
4. Step 4: Simplify right side
   2,189.50x = 4,508,364.86
5. Step 5: Solve for x
   x = 4,508,364.86/2,189.50
6. Step 6: Final answer
   x = 2,059.08