Finding the Fourth Proportional to 25,666.72, 35,419.71 and 14,336.38

Step by Step Solution

1. Step 1: Write the proportion equation
   25,666.72 : 35,419.71 = 14,336.38 : x
2. Step 2: Convert to fraction form
   25,666.72/35,419.71 = 14,336.38/x
3. Step 3: Cross multiply
   25,666.72x = 35,419.71 × 14,336.38
4. Step 4: Simplify right side
   25,666.72x = 507,790,350.37
5. Step 5: Solve for x
   x = 507,790,350.37/25,666.72
6. Step 6: Final answer
   x = 19,784.00