Finding the Fourth Proportional to 1,150.88, 1,726.25 and 631.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.88 : 1,726.25 = 631.08 : x
2. Step 2: Convert to fraction form
   1,150.88/1,726.25 = 631.08/x
3. Step 3: Cross multiply
   1,150.88x = 1,726.25 × 631.08
4. Step 4: Simplify right side
   1,150.88x = 1,089,398.69
5. Step 5: Solve for x
   x = 1,089,398.69/1,150.88
6. Step 6: Final answer
   x = 946.58