Finding the Fourth Proportional to 6,123.47, 8,452.96 and 4,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.47 : 8,452.96 = 4,136.72 : x
2. Step 2: Convert to fraction form
   6,123.47/8,452.96 = 4,136.72/x
3. Step 3: Cross multiply
   6,123.47x = 8,452.96 × 4,136.72
4. Step 4: Simplify right side
   6,123.47x = 34,967,476.08
5. Step 5: Solve for x
   x = 34,967,476.08/6,123.47
6. Step 6: Final answer
   x = 5,710.41