Finding the Fourth Proportional to 1,471.32, 2,030.42 and 808.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.32 : 2,030.42 = 808.18 : x
2. Step 2: Convert to fraction form
   1,471.32/2,030.42 = 808.18/x
3. Step 3: Cross multiply
   1,471.32x = 2,030.42 × 808.18
4. Step 4: Simplify right side
   1,471.32x = 1,640,949.39
5. Step 5: Solve for x
   x = 1,640,949.39/1,471.32
6. Step 6: Final answer
   x = 1,115.29