Finding the Fourth Proportional to 8,104.86, 12,152.18 and 3,422.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.86 : 12,152.18 = 3,422.45 : x
2. Step 2: Convert to fraction form
   8,104.86/12,152.18 = 3,422.45/x
3. Step 3: Cross multiply
   8,104.86x = 12,152.18 × 3,422.45
4. Step 4: Simplify right side
   8,104.86x = 41,590,150.57
5. Step 5: Solve for x
   x = 41,590,150.57/8,104.86
6. Step 6: Final answer
   x = 5,131.51