Finding the Fourth Proportional to 25,581.69, 35,298.72 and 14,247.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,581.69 : 35,298.72 = 14,247.63 : x
2. Step 2: Convert to fraction form
   25,581.69/35,298.72 = 14,247.63/x
3. Step 3: Cross multiply
   25,581.69x = 35,298.72 × 14,247.63
4. Step 4: Simplify right side
   25,581.69x = 502,923,102.03
5. Step 5: Solve for x
   x = 502,923,102.03/25,581.69
6. Step 6: Final answer
   x = 19,659.49