Finding the Fourth Proportional to 1,411.20, 1,950.12 and 1,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,411.20 : 1,950.12 = 1,061.28 : x
2. Step 2: Convert to fraction form
   1,411.20/1,950.12 = 1,061.28/x
3. Step 3: Cross multiply
   1,411.20x = 1,950.12 × 1,061.28
4. Step 4: Simplify right side
   1,411.20x = 2,069,623.35
5. Step 5: Solve for x
   x = 2,069,623.35/1,411.20
6. Step 6: Final answer
   x = 1,466.57