Finding the Fourth Proportional to 73,132.82, 109,677.49 and 31,012.28

Step by Step Solution

1. Step 1: Write the proportion equation
   73,132.82 : 109,677.49 = 31,012.28 : x
2. Step 2: Convert to fraction form
   73,132.82/109,677.49 = 31,012.28/x
3. Step 3: Cross multiply
   73,132.82x = 109,677.49 × 31,012.28
4. Step 4: Simplify right side
   73,132.82x = 3,401,348,403.66
5. Step 5: Solve for x
   x = 3,401,348,403.66/73,132.82
6. Step 6: Final answer
   x = 46,509.20