Finding the Fourth Proportional to 10,959.30, 16,435.76 and 3,938.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.30 : 16,435.76 = 3,938.12 : x
2. Step 2: Convert to fraction form
   10,959.30/16,435.76 = 3,938.12/x
3. Step 3: Cross multiply
   10,959.30x = 16,435.76 × 3,938.12
4. Step 4: Simplify right side
   10,959.30x = 64,725,977.09
5. Step 5: Solve for x
   x = 64,725,977.09/10,959.30
6. Step 6: Final answer
   x = 5,906.03