Finding the Fourth Proportional to 5,402.34, 8,086.41 and 3,549.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402.34 : 8,086.41 = 3,549.06 : x
2. Step 2: Convert to fraction form
   5,402.34/8,086.41 = 3,549.06/x
3. Step 3: Cross multiply
   5,402.34x = 8,086.41 × 3,549.06
4. Step 4: Simplify right side
   5,402.34x = 28,699,154.27
5. Step 5: Solve for x
   x = 28,699,154.27/5,402.34
6. Step 6: Final answer
   x = 5,312.36