Finding the Fourth Proportional to 1,175.72, 1,762.56 and 444.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175.72 : 1,762.56 = 444.83 : x
2. Step 2: Convert to fraction form
   1,175.72/1,762.56 = 444.83/x
3. Step 3: Cross multiply
   1,175.72x = 1,762.56 × 444.83
4. Step 4: Simplify right side
   1,175.72x = 784,030.75
5. Step 5: Solve for x
   x = 784,030.75/1,175.72
6. Step 6: Final answer
   x = 666.85