Finding the Fourth Proportional to 111,453.12, 167,189.71 and 31,492.07

Step by Step Solution

1. Step 1: Write the proportion equation
   111,453.12 : 167,189.71 = 31,492.07 : x
2. Step 2: Convert to fraction form
   111,453.12/167,189.71 = 31,492.07/x
3. Step 3: Cross multiply
   111,453.12x = 167,189.71 × 31,492.07
4. Step 4: Simplify right side
   111,453.12x = 5,265,150,389.84
5. Step 5: Solve for x
   x = 5,265,150,389.84/111,453.12
6. Step 6: Final answer
   x = 47,240.94