Finding the Fourth Proportional to 29,485.72, 40,689.89 and 16,738.79

Step by Step Solution

1. Step 1: Write the proportion equation
   29,485.72 : 40,689.89 = 16,738.79 : x
2. Step 2: Convert to fraction form
   29,485.72/40,689.89 = 16,738.79/x
3. Step 3: Cross multiply
   29,485.72x = 40,689.89 × 16,738.79
4. Step 4: Simplify right side
   29,485.72x = 681,099,523.83
5. Step 5: Solve for x
   x = 681,099,523.83/29,485.72
6. Step 6: Final answer
   x = 23,099.30