Finding the Fourth Proportional to 23,515.86, 32,452.67 and 12,906.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,515.86 : 32,452.67 = 12,906.07 : x
2. Step 2: Convert to fraction form
   23,515.86/32,452.67 = 12,906.07/x
3. Step 3: Cross multiply
   23,515.86x = 32,452.67 × 12,906.07
4. Step 4: Simplify right side
   23,515.86x = 418,836,430.71
5. Step 5: Solve for x
   x = 418,836,430.71/23,515.86
6. Step 6: Final answer
   x = 17,810.81