Finding the Fourth Proportional to 2,981.71, 4,472.61 and 901.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.71 : 4,472.61 = 901.73 : x
2. Step 2: Convert to fraction form
   2,981.71/4,472.61 = 901.73/x
3. Step 3: Cross multiply
   2,981.71x = 4,472.61 × 901.73
4. Step 4: Simplify right side
   2,981.71x = 4,033,086.62
5. Step 5: Solve for x
   x = 4,033,086.62/2,981.71
6. Step 6: Final answer
   x = 1,352.61