Finding the Fourth Proportional to 31,094.84, 42,909.63 and 16,947.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,094.84 : 42,909.63 = 16,947.38 : x
2. Step 2: Convert to fraction form
   31,094.84/42,909.63 = 16,947.38/x
3. Step 3: Cross multiply
   31,094.84x = 42,909.63 × 16,947.38
4. Step 4: Simplify right side
   31,094.84x = 727,205,805.27
5. Step 5: Solve for x
   x = 727,205,805.27/31,094.84
6. Step 6: Final answer
   x = 23,386.70