Finding the Fourth Proportional to 1,471.55, 2,030.74 and 881.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.55 : 2,030.74 = 881.96 : x
2. Step 2: Convert to fraction form
   1,471.55/2,030.74 = 881.96/x
3. Step 3: Cross multiply
   1,471.55x = 2,030.74 × 881.96
4. Step 4: Simplify right side
   1,471.55x = 1,791,019.09
5. Step 5: Solve for x
   x = 1,791,019.09/1,471.55
6. Step 6: Final answer
   x = 1,217.10