Finding the Fourth Proportional to 23,310.18, 32,168.29 and 12,699.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,310.18 : 32,168.29 = 12,699.81 : x
2. Step 2: Convert to fraction form
   23,310.18/32,168.29 = 12,699.81/x
3. Step 3: Cross multiply
   23,310.18x = 32,168.29 × 12,699.81
4. Step 4: Simplify right side
   23,310.18x = 408,531,171.02
5. Step 5: Solve for x
   x = 408,531,171.02/23,310.18
6. Step 6: Final answer
   x = 17,525.87