Finding the Fourth Proportional to 10,956.90, 16,436.70 and 3,935.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.90 : 16,436.70 = 3,935.82 : x
2. Step 2: Convert to fraction form
   10,956.90/16,436.70 = 3,935.82/x
3. Step 3: Cross multiply
   10,956.90x = 16,436.70 × 3,935.82
4. Step 4: Simplify right side
   10,956.90x = 64,691,892.59
5. Step 5: Solve for x
   x = 64,691,892.59/10,956.90
6. Step 6: Final answer
   x = 5,904.21