Finding the Fourth Proportional to 30,801.86, 42,506.56 and 16,654.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.86 : 42,506.56 = 16,654.70 : x
2. Step 2: Convert to fraction form
   30,801.86/42,506.56 = 16,654.70/x
3. Step 3: Cross multiply
   30,801.86x = 42,506.56 × 16,654.70
4. Step 4: Simplify right side
   30,801.86x = 707,934,004.83
5. Step 5: Solve for x
   x = 707,934,004.83/30,801.86
6. Step 6: Final answer
   x = 22,983.48