Finding the Fourth Proportional to 5,865.30, 8,088.71 and 3,979.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,865.30 : 8,088.71 = 3,979.62 : x
2. Step 2: Convert to fraction form
   5,865.30/8,088.71 = 3,979.62/x
3. Step 3: Cross multiply
   5,865.30x = 8,088.71 × 3,979.62
4. Step 4: Simplify right side
   5,865.30x = 32,189,972.19
5. Step 5: Solve for x
   x = 32,189,972.19/5,865.30
6. Step 6: Final answer
   x = 5,488.21