Finding the Fourth Proportional to 5,401.53, 8,090.55 and 2,622.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.53 : 8,090.55 = 2,622.35 : x
2. Step 2: Convert to fraction form
   5,401.53/8,090.55 = 2,622.35/x
3. Step 3: Cross multiply
   5,401.53x = 8,090.55 × 2,622.35
4. Step 4: Simplify right side
   5,401.53x = 21,216,274.02
5. Step 5: Solve for x
   x = 21,216,274.02/5,401.53
6. Step 6: Final answer
   x = 3,927.83