Finding the Fourth Proportional to 22,901.76, 31,605.57 and 13,947.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,901.76 : 31,605.57 = 13,947.83 : x
2. Step 2: Convert to fraction form
   22,901.76/31,605.57 = 13,947.83/x
3. Step 3: Cross multiply
   22,901.76x = 31,605.57 × 13,947.83
4. Step 4: Simplify right side
   22,901.76x = 440,828,959.39
5. Step 5: Solve for x
   x = 440,828,959.39/22,901.76
6. Step 6: Final answer
   x = 19,248.69