Finding the Fourth Proportional to 111,613.56, 167,425.43 and 31,657.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,613.56 : 167,425.43 = 31,657.25 : x
2. Step 2: Convert to fraction form
   111,613.56/167,425.43 = 31,657.25/x
3. Step 3: Cross multiply
   111,613.56x = 167,425.43 × 31,657.25
4. Step 4: Simplify right side
   111,613.56x = 5,300,227,698.45
5. Step 5: Solve for x
   x = 5,300,227,698.45/111,613.56
6. Step 6: Final answer
   x = 47,487.31