Finding the Fourth Proportional to 73,288.83, 109,911.24 and 31,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   73,288.83 : 109,911.24 = 31,168.56 : x
2. Step 2: Convert to fraction form
   73,288.83/109,911.24 = 31,168.56/x
3. Step 3: Cross multiply
   73,288.83x = 109,911.24 × 31,168.56
4. Step 4: Simplify right side
   73,288.83x = 3,425,775,078.61
5. Step 5: Solve for x
   x = 3,425,775,078.61/73,288.83
6. Step 6: Final answer
   x = 46,743.48