Finding the Fourth Proportional to 73,443.31, 101,352.41 and 39,909.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,443.31 : 101,352.41 = 39,909.31 : x
2. Step 2: Convert to fraction form
   73,443.31/101,352.41 = 39,909.31/x
3. Step 3: Cross multiply
   73,443.31x = 101,352.41 × 39,909.31
4. Step 4: Simplify right side
   73,443.31x = 4,044,904,749.94
5. Step 5: Solve for x
   x = 4,044,904,749.94/73,443.31
6. Step 6: Final answer
   x = 55,075.20