Finding the Fourth Proportional to 30,541.61, 42,146.84 and 16,929.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,541.61 : 42,146.84 = 16,929.42 : x
2. Step 2: Convert to fraction form
   30,541.61/42,146.84 = 16,929.42/x
3. Step 3: Cross multiply
   30,541.61x = 42,146.84 × 16,929.42
4. Step 4: Simplify right side
   30,541.61x = 713,521,556.03
5. Step 5: Solve for x
   x = 713,521,556.03/30,541.61
6. Step 6: Final answer
   x = 23,362.28