Finding the Fourth Proportional to 73,167.36, 109,748.56 and 31,020.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,167.36 : 109,748.56 = 31,020.31 : x
2. Step 2: Convert to fraction form
   73,167.36/109,748.56 = 31,020.31/x
3. Step 3: Cross multiply
   73,167.36x = 109,748.56 × 31,020.31
4. Step 4: Simplify right side
   73,167.36x = 3,404,434,353.25
5. Step 5: Solve for x
   x = 3,404,434,353.25/73,167.36
6. Step 6: Final answer
   x = 46,529.41