Finding the Fourth Proportional to 40,404.56, 60,634.49 and 14,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   40,404.56 : 60,634.49 = 14,109.30 : x
2. Step 2: Convert to fraction form
   40,404.56/60,634.49 = 14,109.30/x
3. Step 3: Cross multiply
   40,404.56x = 60,634.49 × 14,109.30
4. Step 4: Simplify right side
   40,404.56x = 855,510,139.21
5. Step 5: Solve for x
   x = 855,510,139.21/40,404.56
6. Step 6: Final answer
   x = 21,173.61