Finding the Fourth Proportional to 8,789.16, 13,186.50 and 3,862.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.16 : 13,186.50 = 3,862.94 : x
2. Step 2: Convert to fraction form
   8,789.16/13,186.50 = 3,862.94/x
3. Step 3: Cross multiply
   8,789.16x = 13,186.50 × 3,862.94
4. Step 4: Simplify right side
   8,789.16x = 50,938,658.31
5. Step 5: Solve for x
   x = 50,938,658.31/8,789.16
6. Step 6: Final answer
   x = 5,795.62