Finding the Fourth Proportional to 1,267.54, 1,901.72 and 574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267.54 : 1,901.72 = 574.72 : x
2. Step 2: Convert to fraction form
   1,267.54/1,901.72 = 574.72/x
3. Step 3: Cross multiply
   1,267.54x = 1,901.72 × 574.72
4. Step 4: Simplify right side
   1,267.54x = 1,092,956.52
5. Step 5: Solve for x
   x = 1,092,956.52/1,267.54
6. Step 6: Final answer
   x = 862.27