Finding the Fourth Proportional to 3,729.42, 5,146.74 and 2,136.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,729.42 : 5,146.74 = 2,136.32 : x
2. Step 2: Convert to fraction form
   3,729.42/5,146.74 = 2,136.32/x
3. Step 3: Cross multiply
   3,729.42x = 5,146.74 × 2,136.32
4. Step 4: Simplify right side
   3,729.42x = 10,995,083.60
5. Step 5: Solve for x
   x = 10,995,083.60/3,729.42
6. Step 6: Final answer
   x = 2,948.20