Finding the Fourth Proportional to 1,471.82, 2,031.15 and 808.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.82 : 2,031.15 = 808.69 : x
2. Step 2: Convert to fraction form
   1,471.82/2,031.15 = 808.69/x
3. Step 3: Cross multiply
   1,471.82x = 2,031.15 × 808.69
4. Step 4: Simplify right side
   1,471.82x = 1,642,565.62
5. Step 5: Solve for x
   x = 1,642,565.62/1,471.82
6. Step 6: Final answer
   x = 1,116.01