Finding the Fourth Proportional to 3,281.98, 4,923.59 and 1,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,281.98 : 4,923.59 = 1,061.40 : x
2. Step 2: Convert to fraction form
   3,281.98/4,923.59 = 1,061.40/x
3. Step 3: Cross multiply
   3,281.98x = 4,923.59 × 1,061.40
4. Step 4: Simplify right side
   3,281.98x = 5,225,898.43
5. Step 5: Solve for x
   x = 5,225,898.43/3,281.98
6. Step 6: Final answer
   x = 1,592.30