Finding the Fourth Proportional to 1,631.29, 2,444.86 and 763.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.29 : 2,444.86 = 763.69 : x
2. Step 2: Convert to fraction form
   1,631.29/2,444.86 = 763.69/x
3. Step 3: Cross multiply
   1,631.29x = 2,444.86 × 763.69
4. Step 4: Simplify right side
   1,631.29x = 1,867,109.98
5. Step 5: Solve for x
   x = 1,867,109.98/1,631.29
6. Step 6: Final answer
   x = 1,144.56