Finding the Fourth Proportional to 25,018.29, 34,518.76 and 14,942.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,018.29 : 34,518.76 = 14,942.30 : x
2. Step 2: Convert to fraction form
   25,018.29/34,518.76 = 14,942.30/x
3. Step 3: Cross multiply
   25,018.29x = 34,518.76 × 14,942.30
4. Step 4: Simplify right side
   25,018.29x = 515,789,457.60
5. Step 5: Solve for x
   x = 515,789,457.60/25,018.29
6. Step 6: Final answer
   x = 20,616.50