Finding the Fourth Proportional to 9,483.06, 13,092.78 and 8,486.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.06 : 13,092.78 = 8,486.62 : x
2. Step 2: Convert to fraction form
   9,483.06/13,092.78 = 8,486.62/x
3. Step 3: Cross multiply
   9,483.06x = 13,092.78 × 8,486.62
4. Step 4: Simplify right side
   9,483.06x = 111,113,448.60
5. Step 5: Solve for x
   x = 111,113,448.60/9,483.06
6. Step 6: Final answer
   x = 11,717.05