Finding the Fourth Proportional to 31,046.54, 42,844.01 and 16,899.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,046.54 : 42,844.01 = 16,899.35 : x
2. Step 2: Convert to fraction form
   31,046.54/42,844.01 = 16,899.35/x
3. Step 3: Cross multiply
   31,046.54x = 42,844.01 × 16,899.35
4. Step 4: Simplify right side
   31,046.54x = 724,035,621.68
5. Step 5: Solve for x
   x = 724,035,621.68/31,046.54
6. Step 6: Final answer
   x = 23,320.98