Finding the Fourth Proportional to 1,168.85, 1,751.72 and 437.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.85 : 1,751.72 = 437.69 : x
2. Step 2: Convert to fraction form
   1,168.85/1,751.72 = 437.69/x
3. Step 3: Cross multiply
   1,168.85x = 1,751.72 × 437.69
4. Step 4: Simplify right side
   1,168.85x = 766,710.33
5. Step 5: Solve for x
   x = 766,710.33/1,168.85
6. Step 6: Final answer
   x = 655.95