Finding the Fourth Proportional to 1,472.96, 2,032.72 and 809.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.96 : 2,032.72 = 809.88 : x
2. Step 2: Convert to fraction form
   1,472.96/2,032.72 = 809.88/x
3. Step 3: Cross multiply
   1,472.96x = 2,032.72 × 809.88
4. Step 4: Simplify right side
   1,472.96x = 1,646,259.27
5. Step 5: Solve for x
   x = 1,646,259.27/1,472.96
6. Step 6: Final answer
   x = 1,117.65