Finding the Fourth Proportional to 1,472.02, 2,031.33 and 808.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.02 : 2,031.33 = 808.89 : x
2. Step 2: Convert to fraction form
   1,472.02/2,031.33 = 808.89/x
3. Step 3: Cross multiply
   1,472.02x = 2,031.33 × 808.89
4. Step 4: Simplify right side
   1,472.02x = 1,643,113.39
5. Step 5: Solve for x
   x = 1,643,113.39/1,472.02
6. Step 6: Final answer
   x = 1,116.23