Finding the Fourth Proportional to 30,714.42, 42,385.50 and 17,285.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,714.42 : 42,385.50 = 17,285.70 : x
2. Step 2: Convert to fraction form
   30,714.42/42,385.50 = 17,285.70/x
3. Step 3: Cross multiply
   30,714.42x = 42,385.50 × 17,285.70
4. Step 4: Simplify right side
   30,714.42x = 732,663,037.35
5. Step 5: Solve for x
   x = 732,663,037.35/30,714.42
6. Step 6: Final answer
   x = 23,854.04