Finding the Fourth Proportional to 23,173.71, 34,763.27 and 8,389.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,173.71 : 34,763.27 = 8,389.59 : x
2. Step 2: Convert to fraction form
   23,173.71/34,763.27 = 8,389.59/x
3. Step 3: Cross multiply
   23,173.71x = 34,763.27 × 8,389.59
4. Step 4: Simplify right side
   23,173.71x = 291,649,540.41
5. Step 5: Solve for x
   x = 291,649,540.41/23,173.71
6. Step 6: Final answer
   x = 12,585.36