Finding the Fourth Proportional to 22,477.92, 31,013.28 and 13,977.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,477.92 : 31,013.28 = 13,977.84 : x
2. Step 2: Convert to fraction form
   22,477.92/31,013.28 = 13,977.84/x
3. Step 3: Cross multiply
   22,477.92x = 31,013.28 × 13,977.84
4. Step 4: Simplify right side
   22,477.92x = 433,498,665.72
5. Step 5: Solve for x
   x = 433,498,665.72/22,477.92
6. Step 6: Final answer
   x = 19,285.53