Finding the Fourth Proportional to 21,950.52, 32,921.46 and 7,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,950.52 : 32,921.46 = 7,910.16 : x
2. Step 2: Convert to fraction form
   21,950.52/32,921.46 = 7,910.16/x
3. Step 3: Cross multiply
   21,950.52x = 32,921.46 × 7,910.16
4. Step 4: Simplify right side
   21,950.52x = 260,414,016.03
5. Step 5: Solve for x
   x = 260,414,016.03/21,950.52
6. Step 6: Final answer
   x = 11,863.68