Finding the Fourth Proportional to 5,625.37, 7,760.43 and 3,636.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,625.37 : 7,760.43 = 3,636.57 : x
2. Step 2: Convert to fraction form
   5,625.37/7,760.43 = 3,636.57/x
3. Step 3: Cross multiply
   5,625.37x = 7,760.43 × 3,636.57
4. Step 4: Simplify right side
   5,625.37x = 28,221,364.43
5. Step 5: Solve for x
   x = 28,221,364.43/5,625.37
6. Step 6: Final answer
   x = 5,016.80