Finding the Fourth Proportional to 53,182.50, 73,391.31 and 31,687.08

Step by Step Solution

1. Step 1: Write the proportion equation
   53,182.50 : 73,391.31 = 31,687.08 : x
2. Step 2: Convert to fraction form
   53,182.50/73,391.31 = 31,687.08/x
3. Step 3: Cross multiply
   53,182.50x = 73,391.31 × 31,687.08
4. Step 4: Simplify right side
   53,182.50x = 2,325,556,311.27
5. Step 5: Solve for x
   x = 2,325,556,311.27/53,182.50
6. Step 6: Final answer
   x = 43,727.85