Finding the Fourth Proportional to 8,055.40, 11,120.34 and 5,401.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.40 : 11,120.34 = 5,401.84 : x
2. Step 2: Convert to fraction form
   8,055.40/11,120.34 = 5,401.84/x
3. Step 3: Cross multiply
   8,055.40x = 11,120.34 × 5,401.84
4. Step 4: Simplify right side
   8,055.40x = 60,070,297.43
5. Step 5: Solve for x
   x = 60,070,297.43/8,055.40
6. Step 6: Final answer
   x = 7,457.15