Finding the Fourth Proportional to 111,346.29, 167,006.01 and 31,390.23

Step by Step Solution

1. Step 1: Write the proportion equation
   111,346.29 : 167,006.01 = 31,390.23 : x
2. Step 2: Convert to fraction form
   111,346.29/167,006.01 = 31,390.23/x
3. Step 3: Cross multiply
   111,346.29x = 167,006.01 × 31,390.23
4. Step 4: Simplify right side
   111,346.29x = 5,242,357,065.28
5. Step 5: Solve for x
   x = 5,242,357,065.28/111,346.29
6. Step 6: Final answer
   x = 47,081.56