Finding the Fourth Proportional to 13,182.85, 19,771.18 and 3,820.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,182.85 : 19,771.18 = 3,820.38 : x
2. Step 2: Convert to fraction form
   13,182.85/19,771.18 = 3,820.38/x
3. Step 3: Cross multiply
   13,182.85x = 19,771.18 × 3,820.38
4. Step 4: Simplify right side
   13,182.85x = 75,533,420.65
5. Step 5: Solve for x
   x = 75,533,420.65/13,182.85
6. Step 6: Final answer
   x = 5,729.67