Finding the Fourth Proportional to 80,971.98, 111,741.93 and 45,164.31

Step by Step Solution

1. Step 1: Write the proportion equation
   80,971.98 : 111,741.93 = 45,164.31 : x
2. Step 2: Convert to fraction form
   80,971.98/111,741.93 = 45,164.31/x
3. Step 3: Cross multiply
   80,971.98x = 111,741.93 × 45,164.31
4. Step 4: Simplify right side
   80,971.98x = 5,046,747,166.52
5. Step 5: Solve for x
   x = 5,046,747,166.52/80,971.98
6. Step 6: Final answer
   x = 62,327.08