Finding the Fourth Proportional to 23,310.09, 32,167.94 and 12,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.09 : 32,167.94 = 12,699.50 : x
2. Step 2: Convert to fraction form
   23,310.09/32,167.94 = 12,699.50/x
3. Step 3: Cross multiply
   23,310.09x = 32,167.94 × 12,699.50
4. Step 4: Simplify right side
   23,310.09x = 408,516,529.69
5. Step 5: Solve for x
   x = 408,516,529.69/23,310.09
6. Step 6: Final answer
   x = 17,525.31