Finding the Fourth Proportional to 1,471.55, 2,030.73 and 808.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.55 : 2,030.73 = 808.37 : x
2. Step 2: Convert to fraction form
   1,471.55/2,030.73 = 808.37/x
3. Step 3: Cross multiply
   1,471.55x = 2,030.73 × 808.37
4. Step 4: Simplify right side
   1,471.55x = 1,641,581.21
5. Step 5: Solve for x
   x = 1,641,581.21/1,471.55
6. Step 6: Final answer
   x = 1,115.55