Finding the Fourth Proportional to 8,633.78, 12,941.96 and 3,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,633.78 : 12,941.96 = 3,365.50 : x
2. Step 2: Convert to fraction form
   8,633.78/12,941.96 = 3,365.50/x
3. Step 3: Cross multiply
   8,633.78x = 12,941.96 × 3,365.50
4. Step 4: Simplify right side
   8,633.78x = 43,556,166.38
5. Step 5: Solve for x
   x = 43,556,166.38/8,633.78
6. Step 6: Final answer
   x = 5,044.85