Finding the Fourth Proportional to 21,446.90, 32,176.86 and 10,351.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,446.90 : 32,176.86 = 10,351.52 : x
2. Step 2: Convert to fraction form
   21,446.90/32,176.86 = 10,351.52/x
3. Step 3: Cross multiply
   21,446.90x = 32,176.86 × 10,351.52
4. Step 4: Simplify right side
   21,446.90x = 333,079,409.83
5. Step 5: Solve for x
   x = 333,079,409.83/21,446.90
6. Step 6: Final answer
   x = 15,530.42