Finding the Fourth Proportional to 10,922.50, 16,379.59 and 3,901.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.50 : 16,379.59 = 3,901.20 : x
2. Step 2: Convert to fraction form
   10,922.50/16,379.59 = 3,901.20/x
3. Step 3: Cross multiply
   10,922.50x = 16,379.59 × 3,901.20
4. Step 4: Simplify right side
   10,922.50x = 63,900,056.51
5. Step 5: Solve for x
   x = 63,900,056.51/10,922.50
6. Step 6: Final answer
   x = 5,850.31