Finding the Fourth Proportional to 31,094.89, 42,910.76 and 16,947.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.89 : 42,910.76 = 16,947.43 : x
2. Step 2: Convert to fraction form
   31,094.89/42,910.76 = 16,947.43/x
3. Step 3: Cross multiply
   31,094.89x = 42,910.76 × 16,947.43
4. Step 4: Simplify right side
   31,094.89x = 727,227,036.44
5. Step 5: Solve for x
   x = 727,227,036.44/31,094.89
6. Step 6: Final answer
   x = 23,387.35