Finding the Fourth Proportional to 1,304.13, 1,956.89 and 574.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.13 : 1,956.89 = 574.22 : x
2. Step 2: Convert to fraction form
   1,304.13/1,956.89 = 574.22/x
3. Step 3: Cross multiply
   1,304.13x = 1,956.89 × 574.22
4. Step 4: Simplify right side
   1,304.13x = 1,123,672.72
5. Step 5: Solve for x
   x = 1,123,672.72/1,304.13
6. Step 6: Final answer
   x = 861.63