Finding the Fourth Proportional to 9,498.03, 13,102.91 and 5,518.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498.03 : 13,102.91 = 5,518.39 : x
2. Step 2: Convert to fraction form
   9,498.03/13,102.91 = 5,518.39/x
3. Step 3: Cross multiply
   9,498.03x = 13,102.91 × 5,518.39
4. Step 4: Simplify right side
   9,498.03x = 72,306,967.51
5. Step 5: Solve for x
   x = 72,306,967.51/9,498.03
6. Step 6: Final answer
   x = 7,612.84