Finding the Fourth Proportional to 25,399.98, 35,054.10 and 14,790.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,399.98 : 35,054.10 = 14,790.34 : x
2. Step 2: Convert to fraction form
   25,399.98/35,054.10 = 14,790.34/x
3. Step 3: Cross multiply
   25,399.98x = 35,054.10 × 14,790.34
4. Step 4: Simplify right side
   25,399.98x = 518,462,057.39
5. Step 5: Solve for x
   x = 518,462,057.39/25,399.98
6. Step 6: Final answer
   x = 20,411.91