Finding the Fourth Proportional to 30,801.88, 42,506.60 and 16,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.88 : 42,506.60 = 16,654.72 : x
2. Step 2: Convert to fraction form
   30,801.88/42,506.60 = 16,654.72/x
3. Step 3: Cross multiply
   30,801.88x = 42,506.60 × 16,654.72
4. Step 4: Simplify right side
   30,801.88x = 707,935,521.15
5. Step 5: Solve for x
   x = 707,935,521.15/30,801.88
6. Step 6: Final answer
   x = 22,983.52