Finding the Fourth Proportional to 31,049.63, 42,848.49 and 16,902.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.63 : 42,848.49 = 16,902.58 : x
2. Step 2: Convert to fraction form
   31,049.63/42,848.49 = 16,902.58/x
3. Step 3: Cross multiply
   31,049.63x = 42,848.49 × 16,902.58
4. Step 4: Simplify right side
   31,049.63x = 724,250,030.10
5. Step 5: Solve for x
   x = 724,250,030.10/31,049.63
6. Step 6: Final answer
   x = 23,325.56