Finding the Fourth Proportional to 13,601.72, 18,767.17 and 7,933.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,601.72 : 18,767.17 = 7,933.07 : x
2. Step 2: Convert to fraction form
   13,601.72/18,767.17 = 7,933.07/x
3. Step 3: Cross multiply
   13,601.72x = 18,767.17 × 7,933.07
4. Step 4: Simplify right side
   13,601.72x = 148,881,273.31
5. Step 5: Solve for x
   x = 148,881,273.31/13,601.72
6. Step 6: Final answer
   x = 10,945.77