Finding the Fourth Proportional to 1,689.62, 2,522.22 and 1,459.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.62 : 2,522.22 = 1,459.98 : x
2. Step 2: Convert to fraction form
   1,689.62/2,522.22 = 1,459.98/x
3. Step 3: Cross multiply
   1,689.62x = 2,522.22 × 1,459.98
4. Step 4: Simplify right side
   1,689.62x = 3,682,390.76
5. Step 5: Solve for x
   x = 3,682,390.76/1,689.62
6. Step 6: Final answer
   x = 2,179.42