Finding the Fourth Proportional to 111,624.68, 167,445.56 and 31,661.28

Step by Step Solution

1. Step 1: Write the proportion equation
   111,624.68 : 167,445.56 = 31,661.28 : x
2. Step 2: Convert to fraction form
   111,624.68/167,445.56 = 31,661.28/x
3. Step 3: Cross multiply
   111,624.68x = 167,445.56 × 31,661.28
4. Step 4: Simplify right side
   111,624.68x = 5,301,540,839.07
5. Step 5: Solve for x
   x = 5,301,540,839.07/111,624.68
6. Step 6: Final answer
   x = 47,494.34