Finding the Fourth Proportional to 10,868.04, 16,308.54 and 3,943.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.04 : 16,308.54 = 3,943.08 : x
2. Step 2: Convert to fraction form
   10,868.04/16,308.54 = 3,943.08/x
3. Step 3: Cross multiply
   10,868.04x = 16,308.54 × 3,943.08
4. Step 4: Simplify right side
   10,868.04x = 64,305,877.90
5. Step 5: Solve for x
   x = 64,305,877.90/10,868.04
6. Step 6: Final answer
   x = 5,916.97