Finding the Fourth Proportional to 9,498.11, 13,111.05 and 8,501.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498.11 : 13,111.05 = 8,501.63 : x
2. Step 2: Convert to fraction form
   9,498.11/13,111.05 = 8,501.63/x
3. Step 3: Cross multiply
   9,498.11x = 13,111.05 × 8,501.63
4. Step 4: Simplify right side
   9,498.11x = 111,465,296.01
5. Step 5: Solve for x
   x = 111,465,296.01/9,498.11
6. Step 6: Final answer
   x = 11,735.52