Finding the Fourth Proportional to 8,150.86, 12,218.19 and 4,859.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.86 : 12,218.19 = 4,859.02 : x
2. Step 2: Convert to fraction form
   8,150.86/12,218.19 = 4,859.02/x
3. Step 3: Cross multiply
   8,150.86x = 12,218.19 × 4,859.02
4. Step 4: Simplify right side
   8,150.86x = 59,368,429.57
5. Step 5: Solve for x
   x = 59,368,429.57/8,150.86
6. Step 6: Final answer
   x = 7,283.70