Finding the Fourth Proportional to 30,442.73, 42,010.70 and 17,013.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,442.73 : 42,010.70 = 17,013.83 : x
2. Step 2: Convert to fraction form
   30,442.73/42,010.70 = 17,013.83/x
3. Step 3: Cross multiply
   30,442.73x = 42,010.70 × 17,013.83
4. Step 4: Simplify right side
   30,442.73x = 714,762,612.86
5. Step 5: Solve for x
   x = 714,762,612.86/30,442.73
6. Step 6: Final answer
   x = 23,478.93