Finding the Fourth Proportional to 8,598.69, 12,898.71 and 3,668.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,598.69 : 12,898.71 = 3,668.36 : x
2. Step 2: Convert to fraction form
   8,598.69/12,898.71 = 3,668.36/x
3. Step 3: Cross multiply
   8,598.69x = 12,898.71 × 3,668.36
4. Step 4: Simplify right side
   8,598.69x = 47,317,047.32
5. Step 5: Solve for x
   x = 47,317,047.32/8,598.69
6. Step 6: Final answer
   x = 5,502.82