Finding the Fourth Proportional to 25,436.66, 35,100.69 and 14,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,436.66 : 35,100.69 = 14,256.50 : x
2. Step 2: Convert to fraction form
   25,436.66/35,100.69 = 14,256.50/x
3. Step 3: Cross multiply
   25,436.66x = 35,100.69 × 14,256.50
4. Step 4: Simplify right side
   25,436.66x = 500,412,986.99
5. Step 5: Solve for x
   x = 500,412,986.99/25,436.66
6. Step 6: Final answer
   x = 19,672.90