Finding the Fourth Proportional to 13,175.82, 19,764.77 and 3,815.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,175.82 : 19,764.77 = 3,815.99 : x
2. Step 2: Convert to fraction form
   13,175.82/19,764.77 = 3,815.99/x
3. Step 3: Cross multiply
   13,175.82x = 19,764.77 × 3,815.99
4. Step 4: Simplify right side
   13,175.82x = 75,422,065.85
5. Step 5: Solve for x
   x = 75,422,065.85/13,175.82
6. Step 6: Final answer
   x = 5,724.28