Finding the Fourth Proportional to 10,245.82, 15,359 and 3,668.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,245.82 : 15,359 = 3,668.62 : x
2. Step 2: Convert to fraction form
   10,245.82/15,359 = 3,668.62/x
3. Step 3: Cross multiply
   10,245.82x = 15,359 × 3,668.62
4. Step 4: Simplify right side
   10,245.82x = 56,346,334.58
5. Step 5: Solve for x
   x = 56,346,334.58/10,245.82
6. Step 6: Final answer
   x = 5,499.45