Finding the Fourth Proportional to 6,119.18, 8,440.71 and 5,335.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,119.18 : 8,440.71 = 5,335.10 : x
2. Step 2: Convert to fraction form
   6,119.18/8,440.71 = 5,335.10/x
3. Step 3: Cross multiply
   6,119.18x = 8,440.71 × 5,335.10
4. Step 4: Simplify right side
   6,119.18x = 45,032,031.92
5. Step 5: Solve for x
   x = 45,032,031.92/6,119.18
6. Step 6: Final answer
   x = 7,359.16