Finding the Fourth Proportional to 4,757.01, 7,136.73 and 2,784.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,757.01 : 7,136.73 = 2,784.31 : x
2. Step 2: Convert to fraction form
   4,757.01/7,136.73 = 2,784.31/x
3. Step 3: Cross multiply
   4,757.01x = 7,136.73 × 2,784.31
4. Step 4: Simplify right side
   4,757.01x = 19,870,850.86
5. Step 5: Solve for x
   x = 19,870,850.86/4,757.01
6. Step 6: Final answer
   x = 4,177.18