Finding the Fourth Proportional to 10,964.85, 16,343.04 and 10,342.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,964.85 : 16,343.04 = 10,342.10 : x
2. Step 2: Convert to fraction form
   10,964.85/16,343.04 = 10,342.10/x
3. Step 3: Cross multiply
   10,964.85x = 16,343.04 × 10,342.10
4. Step 4: Simplify right side
   10,964.85x = 169,021,298.12
5. Step 5: Solve for x
   x = 169,021,298.12/10,964.85
6. Step 6: Final answer
   x = 15,414.83