Finding the Fourth Proportional to 31,049.54, 42,848.36 and 16,902.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.54 : 42,848.36 = 16,902.38 : x
2. Step 2: Convert to fraction form
   31,049.54/42,848.36 = 16,902.38/x
3. Step 3: Cross multiply
   31,049.54x = 42,848.36 × 16,902.38
4. Step 4: Simplify right side
   31,049.54x = 724,238,964.34
5. Step 5: Solve for x
   x = 724,238,964.34/31,049.54
6. Step 6: Final answer
   x = 23,325.28