Finding the Fourth Proportional to 30,566.72, 42,182.32 and 17,137.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,566.72 : 42,182.32 = 17,137.92 : x
2. Step 2: Convert to fraction form
   30,566.72/42,182.32 = 17,137.92/x
3. Step 3: Cross multiply
   30,566.72x = 42,182.32 × 17,137.92
4. Step 4: Simplify right side
   30,566.72x = 722,917,225.57
5. Step 5: Solve for x
   x = 722,917,225.57/30,566.72
6. Step 6: Final answer
   x = 23,650.47