Finding the Fourth Proportional to 10,962.84, 16,340.11 and 10,340.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.84 : 16,340.11 = 10,340.16 : x
2. Step 2: Convert to fraction form
   10,962.84/16,340.11 = 10,340.16/x
3. Step 3: Cross multiply
   10,962.84x = 16,340.11 × 10,340.16
4. Step 4: Simplify right side
   10,962.84x = 168,959,351.82
5. Step 5: Solve for x
   x = 168,959,351.82/10,962.84
6. Step 6: Final answer
   x = 15,412.01