Finding the Fourth Proportional to 3,648.50, 5,033.76 and 2,156.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.50 : 5,033.76 = 2,156.92 : x
2. Step 2: Convert to fraction form
   3,648.50/5,033.76 = 2,156.92/x
3. Step 3: Cross multiply
   3,648.50x = 5,033.76 × 2,156.92
4. Step 4: Simplify right side
   3,648.50x = 10,857,381.67
5. Step 5: Solve for x
   x = 10,857,381.67/3,648.50
6. Step 6: Final answer
   x = 2,975.85