Finding the Fourth Proportional to 5,623.86, 7,758.18 and 3,636.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,623.86 : 7,758.18 = 3,636.12 : x
2. Step 2: Convert to fraction form
   5,623.86/7,758.18 = 3,636.12/x
3. Step 3: Cross multiply
   5,623.86x = 7,758.18 × 3,636.12
4. Step 4: Simplify right side
   5,623.86x = 28,209,673.46
5. Step 5: Solve for x
   x = 28,209,673.46/5,623.86
6. Step 6: Final answer
   x = 5,016.07