Finding the Fourth Proportional to 8,196.10, 12,281.55 and 6,106.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.10 : 12,281.55 = 6,106.30 : x
2. Step 2: Convert to fraction form
   8,196.10/12,281.55 = 6,106.30/x
3. Step 3: Cross multiply
   8,196.10x = 12,281.55 × 6,106.30
4. Step 4: Simplify right side
   8,196.10x = 74,994,828.77
5. Step 5: Solve for x
   x = 74,994,828.77/8,196.10
6. Step 6: Final answer
   x = 9,150.06