Finding the Fourth Proportional to 8,703.94, 12,021.32 and 5,866.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,703.94 : 12,021.32 = 5,866.42 : x
2. Step 2: Convert to fraction form
   8,703.94/12,021.32 = 5,866.42/x
3. Step 3: Cross multiply
   8,703.94x = 12,021.32 × 5,866.42
4. Step 4: Simplify right side
   8,703.94x = 70,522,119.02
5. Step 5: Solve for x
   x = 70,522,119.02/8,703.94
6. Step 6: Final answer
   x = 8,102.32