Finding the Fourth Proportional to 1,469.34, 2,026.92 and 1,189.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.34 : 2,026.92 = 1,189.89 : x
2. Step 2: Convert to fraction form
   1,469.34/2,026.92 = 1,189.89/x
3. Step 3: Cross multiply
   1,469.34x = 2,026.92 × 1,189.89
4. Step 4: Simplify right side
   1,469.34x = 2,411,816.30
5. Step 5: Solve for x
   x = 2,411,816.30/1,469.34
6. Step 6: Final answer
   x = 1,641.43