Finding the Fourth Proportional to 34,399.50, 51,601.68 and 13,623

Step by Step Solution

1. Step 1: Write the proportion equation
   34,399.50 : 51,601.68 = 13,623 : x
2. Step 2: Convert to fraction form
   34,399.50/51,601.68 = 13,623/x
3. Step 3: Cross multiply
   34,399.50x = 51,601.68 × 13,623
4. Step 4: Simplify right side
   34,399.50x = 702,969,686.64
5. Step 5: Solve for x
   x = 702,969,686.64/34,399.50
6. Step 6: Final answer
   x = 20,435.46