Finding the Fourth Proportional to 30,801.32, 42,505.62 and 16,654.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.32 : 42,505.62 = 16,654.10 : x
2. Step 2: Convert to fraction form
   30,801.32/42,505.62 = 16,654.10/x
3. Step 3: Cross multiply
   30,801.32x = 42,505.62 × 16,654.10
4. Step 4: Simplify right side
   30,801.32x = 707,892,846.04
5. Step 5: Solve for x
   x = 707,892,846.04/30,801.32
6. Step 6: Final answer
   x = 22,982.55