Finding the Fourth Proportional to 25,379.30, 35,018.79 and 14,772.35

Step by Step Solution

1. Step 1: Write the proportion equation
   25,379.30 : 35,018.79 = 14,772.35 : x
2. Step 2: Convert to fraction form
   25,379.30/35,018.79 = 14,772.35/x
3. Step 3: Cross multiply
   25,379.30x = 35,018.79 × 14,772.35
4. Step 4: Simplify right side
   25,379.30x = 517,309,822.46
5. Step 5: Solve for x
   x = 517,309,822.46/25,379.30
6. Step 6: Final answer
   x = 20,383.14