Finding the Fourth Proportional to 22,944, 31,666.56 and 13,013.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,944 : 31,666.56 = 13,013.76 : x
2. Step 2: Convert to fraction form
   22,944/31,666.56 = 13,013.76/x
3. Step 3: Cross multiply
   22,944x = 31,666.56 × 13,013.76
4. Step 4: Simplify right side
   22,944x = 412,101,011.87
5. Step 5: Solve for x
   x = 412,101,011.87/22,944
6. Step 6: Final answer
   x = 17,961.17