Finding the Fourth Proportional to 10,922.64, 16,387.41 and 3,902.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.64 : 16,387.41 = 3,902.51 : x
2. Step 2: Convert to fraction form
   10,922.64/16,387.41 = 3,902.51/x
3. Step 3: Cross multiply
   10,922.64x = 16,387.41 × 3,902.51
4. Step 4: Simplify right side
   10,922.64x = 63,951,949.46
5. Step 5: Solve for x
   x = 63,951,949.46/10,922.64
6. Step 6: Final answer
   x = 5,854.99