Finding the Fourth Proportional to 1,441.29, 1,989.45 and 1,068.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.29 : 1,989.45 = 1,068.15 : x
2. Step 2: Convert to fraction form
   1,441.29/1,989.45 = 1,068.15/x
3. Step 3: Cross multiply
   1,441.29x = 1,989.45 × 1,068.15
4. Step 4: Simplify right side
   1,441.29x = 2,125,031.02
5. Step 5: Solve for x
   x = 2,125,031.02/1,441.29
6. Step 6: Final answer
   x = 1,474.40