Finding the Fourth Proportional to 31,058.01, 42,860.07 and 16,910.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,058.01 : 42,860.07 = 16,910.88 : x
2. Step 2: Convert to fraction form
   31,058.01/42,860.07 = 16,910.88/x
3. Step 3: Cross multiply
   31,058.01x = 42,860.07 × 16,910.88
4. Step 4: Simplify right side
   31,058.01x = 724,801,500.56
5. Step 5: Solve for x
   x = 724,801,500.56/31,058.01
6. Step 6: Final answer
   x = 23,337.02