Finding the Fourth Proportional to 8,155.41, 12,237.72 and 3,474.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.41 : 12,237.72 = 3,474.92 : x
2. Step 2: Convert to fraction form
   8,155.41/12,237.72 = 3,474.92/x
3. Step 3: Cross multiply
   8,155.41x = 12,237.72 × 3,474.92
4. Step 4: Simplify right side
   8,155.41x = 42,525,036.79
5. Step 5: Solve for x
   x = 42,525,036.79/8,155.41
6. Step 6: Final answer
   x = 5,214.33