Finding the Fourth Proportional to 9,502.86, 13,117.61 and 8,506.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,502.86 : 13,117.61 = 8,506.38 : x
2. Step 2: Convert to fraction form
   9,502.86/13,117.61 = 8,506.38/x
3. Step 3: Cross multiply
   9,502.86x = 13,117.61 × 8,506.38
4. Step 4: Simplify right side
   9,502.86x = 111,583,332.82
5. Step 5: Solve for x
   x = 111,583,332.82/9,502.86
6. Step 6: Final answer
   x = 11,742.08