Finding the Fourth Proportional to 5,861.30, 8,090.04 and 3,976.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,861.30 : 8,090.04 = 3,976.03 : x
2. Step 2: Convert to fraction form
   5,861.30/8,090.04 = 3,976.03/x
3. Step 3: Cross multiply
   5,861.30x = 8,090.04 × 3,976.03
4. Step 4: Simplify right side
   5,861.30x = 32,166,241.74
5. Step 5: Solve for x
   x = 32,166,241.74/5,861.30
6. Step 6: Final answer
   x = 5,487.90