Finding the Fourth Proportional to 3,716.25, 5,128.96 and 2,300.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.25 : 5,128.96 = 2,300.39 : x
2. Step 2: Convert to fraction form
   3,716.25/5,128.96 = 2,300.39/x
3. Step 3: Cross multiply
   3,716.25x = 5,128.96 × 2,300.39
4. Step 4: Simplify right side
   3,716.25x = 11,798,590.00
5. Step 5: Solve for x
   x = 11,798,590.00/3,716.25
6. Step 6: Final answer
   x = 3,174.86