Finding the Fourth Proportional to 10,959.88, 16,435.78 and 3,938.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.88 : 16,435.78 = 3,938.01 : x
2. Step 2: Convert to fraction form
   10,959.88/16,435.78 = 3,938.01/x
3. Step 3: Cross multiply
   10,959.88x = 16,435.78 × 3,938.01
4. Step 4: Simplify right side
   10,959.88x = 64,724,317.79
5. Step 5: Solve for x
   x = 64,724,317.79/10,959.88
6. Step 6: Final answer
   x = 5,905.57