Finding the Fourth Proportional to 9,495.13, 13,106.06 and 5,518.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,495.13 : 13,106.06 = 5,518.03 : x
2. Step 2: Convert to fraction form
   9,495.13/13,106.06 = 5,518.03/x
3. Step 3: Cross multiply
   9,495.13x = 13,106.06 × 5,518.03
4. Step 4: Simplify right side
   9,495.13x = 72,319,632.26
5. Step 5: Solve for x
   x = 72,319,632.26/9,495.13
6. Step 6: Final answer
   x = 7,616.50