Finding the Fourth Proportional to 5,373.42, 8,065.56 and 3,815.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,373.42 : 8,065.56 = 3,815.16 : x
2. Step 2: Convert to fraction form
   5,373.42/8,065.56 = 3,815.16/x
3. Step 3: Cross multiply
   5,373.42x = 8,065.56 × 3,815.16
4. Step 4: Simplify right side
   5,373.42x = 30,771,401.89
5. Step 5: Solve for x
   x = 30,771,401.89/5,373.42
6. Step 6: Final answer
   x = 5,726.60