Finding the Fourth Proportional to 40,081.91, 60,128.33 and 16,702.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,081.91 : 60,128.33 = 16,702.88 : x
2. Step 2: Convert to fraction form
   40,081.91/60,128.33 = 16,702.88/x
3. Step 3: Cross multiply
   40,081.91x = 60,128.33 × 16,702.88
4. Step 4: Simplify right side
   40,081.91x = 1,004,315,896.43
5. Step 5: Solve for x
   x = 1,004,315,896.43/40,081.91
6. Step 6: Final answer
   x = 25,056.59