Finding the Fourth Proportional to 23,815.69, 32,866.46 and 15,446.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,815.69 : 32,866.46 = 15,446.77 : x
2. Step 2: Convert to fraction form
   23,815.69/32,866.46 = 15,446.77/x
3. Step 3: Cross multiply
   23,815.69x = 32,866.46 × 15,446.77
4. Step 4: Simplify right side
   23,815.69x = 507,680,546.86
5. Step 5: Solve for x
   x = 507,680,546.86/23,815.69
6. Step 6: Final answer
   x = 21,317.06