Finding the Fourth Proportional to 111,619.56, 167,207.89 and 52,275.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,619.56 : 167,207.89 = 52,275.31 : x
2. Step 2: Convert to fraction form
   111,619.56/167,207.89 = 52,275.31/x
3. Step 3: Cross multiply
   111,619.56x = 167,207.89 × 52,275.31
4. Step 4: Simplify right side
   111,619.56x = 8,740,844,284.20
5. Step 5: Solve for x
   x = 8,740,844,284.20/111,619.56
6. Step 6: Final answer
   x = 78,309.25