Finding the Fourth Proportional to 3,730.31, 5,146.34 and 2,136.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.31 : 5,146.34 = 2,136.10 : x
2. Step 2: Convert to fraction form
   3,730.31/5,146.34 = 2,136.10/x
3. Step 3: Cross multiply
   3,730.31x = 5,146.34 × 2,136.10
4. Step 4: Simplify right side
   3,730.31x = 10,993,089.35
5. Step 5: Solve for x
   x = 10,993,089.35/3,730.31
6. Step 6: Final answer
   x = 2,946.96