Finding the Fourth Proportional to 106,661.42, 159,990.03 and 31,832.27

Step by Step Solution

1. Step 1: Write the proportion equation
   106,661.42 : 159,990.03 = 31,832.27 : x
2. Step 2: Convert to fraction form
   106,661.42/159,990.03 = 31,832.27/x
3. Step 3: Cross multiply
   106,661.42x = 159,990.03 × 31,832.27
4. Step 4: Simplify right side
   106,661.42x = 5,092,845,832.27
5. Step 5: Solve for x
   x = 5,092,845,832.27/106,661.42
6. Step 6: Final answer
   x = 47,747.78