Finding the Fourth Proportional to 106,442.88, 159,697.46 and 31,563.42

Step by Step Solution

1. Step 1: Write the proportion equation
   106,442.88 : 159,697.46 = 31,563.42 : x
2. Step 2: Convert to fraction form
   106,442.88/159,697.46 = 31,563.42/x
3. Step 3: Cross multiply
   106,442.88x = 159,697.46 × 31,563.42
4. Step 4: Simplify right side
   106,442.88x = 5,040,598,002.91
5. Step 5: Solve for x
   x = 5,040,598,002.91/106,442.88
6. Step 6: Final answer
   x = 47,354.96