Finding the Fourth Proportional to 3,588.42, 5,345.63 and 3,479.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,588.42 : 5,345.63 = 3,479.61 : x
2. Step 2: Convert to fraction form
   3,588.42/5,345.63 = 3,479.61/x
3. Step 3: Cross multiply
   3,588.42x = 5,345.63 × 3,479.61
4. Step 4: Simplify right side
   3,588.42x = 18,600,707.60
5. Step 5: Solve for x
   x = 18,600,707.60/3,588.42
6. Step 6: Final answer
   x = 5,183.54