Finding the Fourth Proportional to 1,763.85, 2,433.72 and 1,065.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.85 : 2,433.72 = 1,065.21 : x
2. Step 2: Convert to fraction form
   1,763.85/2,433.72 = 1,065.21/x
3. Step 3: Cross multiply
   1,763.85x = 2,433.72 × 1,065.21
4. Step 4: Simplify right side
   1,763.85x = 2,592,422.88
5. Step 5: Solve for x
   x = 2,592,422.88/1,763.85
6. Step 6: Final answer
   x = 1,469.75