Finding the Fourth Proportional to 31,094.69, 42,910.83 and 16,947.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.69 : 42,910.83 = 16,947.63 : x
2. Step 2: Convert to fraction form
   31,094.69/42,910.83 = 16,947.63/x
3. Step 3: Cross multiply
   31,094.69x = 42,910.83 × 16,947.63
4. Step 4: Simplify right side
   31,094.69x = 727,236,869.83
5. Step 5: Solve for x
   x = 727,236,869.83/31,094.69
6. Step 6: Final answer
   x = 23,387.82