Finding the Fourth Proportional to 5,483.98, 7,577.82 and 3,909.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,483.98 : 7,577.82 = 3,909.34 : x
2. Step 2: Convert to fraction form
   5,483.98/7,577.82 = 3,909.34/x
3. Step 3: Cross multiply
   5,483.98x = 7,577.82 × 3,909.34
4. Step 4: Simplify right side
   5,483.98x = 29,624,274.84
5. Step 5: Solve for x
   x = 29,624,274.84/5,483.98
6. Step 6: Final answer
   x = 5,401.97