Finding the Fourth Proportional to 10,773.15, 16,160.09 and 2,981.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,773.15 : 16,160.09 = 2,981.31 : x
2. Step 2: Convert to fraction form
   10,773.15/16,160.09 = 2,981.31/x
3. Step 3: Cross multiply
   10,773.15x = 16,160.09 × 2,981.31
4. Step 4: Simplify right side
   10,773.15x = 48,178,223.01
5. Step 5: Solve for x
   x = 48,178,223.01/10,773.15
6. Step 6: Final answer
   x = 4,472.06