Finding the Fourth Proportional to 111,388.73, 167,092.91 and 31,427.39

Step by Step Solution

1. Step 1: Write the proportion equation
   111,388.73 : 167,092.91 = 31,427.39 : x
2. Step 2: Convert to fraction form
   111,388.73/167,092.91 = 31,427.39/x
3. Step 3: Cross multiply
   111,388.73x = 167,092.91 × 31,427.39
4. Step 4: Simplify right side
   111,388.73x = 5,251,294,048.80
5. Step 5: Solve for x
   x = 5,251,294,048.80/111,388.73
6. Step 6: Final answer
   x = 47,143.86