Finding the Fourth Proportional to 1,689.85, 2,522.62 and 1,441.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.85 : 2,522.62 = 1,441.99 : x
2. Step 2: Convert to fraction form
   1,689.85/2,522.62 = 1,441.99/x
3. Step 3: Cross multiply
   1,689.85x = 2,522.62 × 1,441.99
4. Step 4: Simplify right side
   1,689.85x = 3,637,592.81
5. Step 5: Solve for x
   x = 3,637,592.81/1,689.85
6. Step 6: Final answer
   x = 2,152.61