Finding the Fourth Proportional to 3,616.38, 5,426.60 and 3,588.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.38 : 5,426.60 = 3,588.84 : x
2. Step 2: Convert to fraction form
   3,616.38/5,426.60 = 3,588.84/x
3. Step 3: Cross multiply
   3,616.38x = 5,426.60 × 3,588.84
4. Step 4: Simplify right side
   3,616.38x = 19,475,199.14
5. Step 5: Solve for x
   x = 19,475,199.14/3,616.38
6. Step 6: Final answer
   x = 5,385.27