Finding the Fourth Proportional to 23,109.35, 34,642.76 and 12,563.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.35 : 34,642.76 = 12,563.96 : x
2. Step 2: Convert to fraction form
   23,109.35/34,642.76 = 12,563.96/x
3. Step 3: Cross multiply
   23,109.35x = 34,642.76 × 12,563.96
4. Step 4: Simplify right side
   23,109.35x = 435,250,014.90
5. Step 5: Solve for x
   x = 435,250,014.90/23,109.35
6. Step 6: Final answer
   x = 18,834.37