Finding the Fourth Proportional to 106,401.24, 159,601.50 and 31,521.96

Step by Step Solution

1. Step 1: Write the proportion equation
   106,401.24 : 159,601.50 = 31,521.96 : x
2. Step 2: Convert to fraction form
   106,401.24/159,601.50 = 31,521.96/x
3. Step 3: Cross multiply
   106,401.24x = 159,601.50 × 31,521.96
4. Step 4: Simplify right side
   106,401.24x = 5,030,952,098.94
5. Step 5: Solve for x
   x = 5,030,952,098.94/106,401.24
6. Step 6: Final answer
   x = 47,282.83