Finding the Fourth Proportional to 1,469.63, 2,026.27 and 1,188.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.63 : 2,026.27 = 1,188.83 : x
2. Step 2: Convert to fraction form
   1,469.63/2,026.27 = 1,188.83/x
3. Step 3: Cross multiply
   1,469.63x = 2,026.27 × 1,188.83
4. Step 4: Simplify right side
   1,469.63x = 2,408,890.56
5. Step 5: Solve for x
   x = 2,408,890.56/1,469.63
6. Step 6: Final answer
   x = 1,639.11