Finding the Fourth Proportional to 30,801.02, 42,505.20 and 16,653.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.02 : 42,505.20 = 16,653.82 : x
2. Step 2: Convert to fraction form
   30,801.02/42,505.20 = 16,653.82/x
3. Step 3: Cross multiply
   30,801.02x = 42,505.20 × 16,653.82
4. Step 4: Simplify right side
   30,801.02x = 707,873,949.86
5. Step 5: Solve for x
   x = 707,873,949.86/30,801.02
6. Step 6: Final answer
   x = 22,982.16