Finding the Fourth Proportional to 111,407.42, 167,099.27 and 31,443.41

Step by Step Solution

1. Step 1: Write the proportion equation
   111,407.42 : 167,099.27 = 31,443.41 : x
2. Step 2: Convert to fraction form
   111,407.42/167,099.27 = 31,443.41/x
3. Step 3: Cross multiply
   111,407.42x = 167,099.27 × 31,443.41
4. Step 4: Simplify right side
   111,407.42x = 5,254,170,159.38
5. Step 5: Solve for x
   x = 5,254,170,159.38/111,407.42
6. Step 6: Final answer
   x = 47,161.76