Finding the Fourth Proportional to 8,865.86, 13,298.18 and 3,022.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.86 : 13,298.18 = 3,022.31 : x
2. Step 2: Convert to fraction form
   8,865.86/13,298.18 = 3,022.31/x
3. Step 3: Cross multiply
   8,865.86x = 13,298.18 × 3,022.31
4. Step 4: Simplify right side
   8,865.86x = 40,191,240.53
5. Step 5: Solve for x
   x = 40,191,240.53/8,865.86
6. Step 6: Final answer
   x = 4,533.26