Finding the Fourth Proportional to 106,047.56, 159,071.38 and 31,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   106,047.56 : 159,071.38 = 31,167.72 : x
2. Step 2: Convert to fraction form
   106,047.56/159,071.38 = 31,167.72/x
3. Step 3: Cross multiply
   106,047.56x = 159,071.38 × 31,167.72
4. Step 4: Simplify right side
   106,047.56x = 4,957,892,153.93
5. Step 5: Solve for x
   x = 4,957,892,153.93/106,047.56
6. Step 6: Final answer
   x = 46,751.59