Finding the Fourth Proportional to 1,471.46, 2,030.20 and 881.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.46 : 2,030.20 = 881.57 : x
2. Step 2: Convert to fraction form
   1,471.46/2,030.20 = 881.57/x
3. Step 3: Cross multiply
   1,471.46x = 2,030.20 × 881.57
4. Step 4: Simplify right side
   1,471.46x = 1,789,766.29
5. Step 5: Solve for x
   x = 1,789,766.29/1,471.46
6. Step 6: Final answer
   x = 1,216.32