Finding the Fourth Proportional to 17,654.34, 24,340.86 and 12,930.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,654.34 : 24,340.86 = 12,930.42 : x
2. Step 2: Convert to fraction form
   17,654.34/24,340.86 = 12,930.42/x
3. Step 3: Cross multiply
   17,654.34x = 24,340.86 × 12,930.42
4. Step 4: Simplify right side
   17,654.34x = 314,737,542.96
5. Step 5: Solve for x
   x = 314,737,542.96/17,654.34
6. Step 6: Final answer
   x = 17,827.77