Finding the Fourth Proportional to 25,457.34, 35,128.71 and 14,126.34

Step by Step Solution

1. Step 1: Write the proportion equation
   25,457.34 : 35,128.71 = 14,126.34 : x
2. Step 2: Convert to fraction form
   25,457.34/35,128.71 = 14,126.34/x
3. Step 3: Cross multiply
   25,457.34x = 35,128.71 × 14,126.34
4. Step 4: Simplify right side
   25,457.34x = 496,240,101.22
5. Step 5: Solve for x
   x = 496,240,101.22/25,457.34
6. Step 6: Final answer
   x = 19,493.01