Finding the Fourth Proportional to 73,136.69, 109,683.30 and 31,016.15

Step by Step Solution

1. Step 1: Write the proportion equation
   73,136.69 : 109,683.30 = 31,016.15 : x
2. Step 2: Convert to fraction form
   73,136.69/109,683.30 = 31,016.15/x
3. Step 3: Cross multiply
   73,136.69x = 109,683.30 × 31,016.15
4. Step 4: Simplify right side
   73,136.69x = 3,401,953,685.30
5. Step 5: Solve for x
   x = 3,401,953,685.30/73,136.69
6. Step 6: Final answer
   x = 46,515.01