Finding the Fourth Proportional to 106,443.82, 159,666.38 and 31,564.67

Step by Step Solution

1. Step 1: Write the proportion equation
   106,443.82 : 159,666.38 = 31,564.67 : x
2. Step 2: Convert to fraction form
   106,443.82/159,666.38 = 31,564.67/x
3. Step 3: Cross multiply
   106,443.82x = 159,666.38 × 31,564.67
4. Step 4: Simplify right side
   106,443.82x = 5,039,816,594.79
5. Step 5: Solve for x
   x = 5,039,816,594.79/106,443.82
6. Step 6: Final answer
   x = 47,347.20