Finding the Fourth Proportional to 41,742.72, 62,622.72 and 14,040

Step by Step Solution

1. Step 1: Write the proportion equation
   41,742.72 : 62,622.72 = 14,040 : x
2. Step 2: Convert to fraction form
   41,742.72/62,622.72 = 14,040/x
3. Step 3: Cross multiply
   41,742.72x = 62,622.72 × 14,040
4. Step 4: Simplify right side
   41,742.72x = 879,222,988.80
5. Step 5: Solve for x
   x = 879,222,988.80/41,742.72
6. Step 6: Final answer
   x = 21,062.91