Finding the Fourth Proportional to 30,498.76, 42,092.04 and 18,563.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,498.76 : 42,092.04 = 18,563.32 : x
2. Step 2: Convert to fraction form
   30,498.76/42,092.04 = 18,563.32/x
3. Step 3: Cross multiply
   30,498.76x = 42,092.04 × 18,563.32
4. Step 4: Simplify right side
   30,498.76x = 781,368,007.97
5. Step 5: Solve for x
   x = 781,368,007.97/30,498.76
6. Step 6: Final answer
   x = 25,619.66