Finding the Fourth Proportional to 73,131.94, 109,676.17 and 31,011.40

Step by Step Solution

1. Step 1: Write the proportion equation
   73,131.94 : 109,676.17 = 31,011.40 : x
2. Step 2: Convert to fraction form
   73,131.94/109,676.17 = 31,011.40/x
3. Step 3: Cross multiply
   73,131.94x = 109,676.17 × 31,011.40
4. Step 4: Simplify right side
   73,131.94x = 3,401,211,578.34
5. Step 5: Solve for x
   x = 3,401,211,578.34/73,131.94
6. Step 6: Final answer
   x = 46,507.88