Finding the Fourth Proportional to 8,116.50, 12,150.06 and 5,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,116.50 : 12,150.06 = 5,196.84 : x
2. Step 2: Convert to fraction form
   8,116.50/12,150.06 = 5,196.84/x
3. Step 3: Cross multiply
   8,116.50x = 12,150.06 × 5,196.84
4. Step 4: Simplify right side
   8,116.50x = 63,141,917.81
5. Step 5: Solve for x
   x = 63,141,917.81/8,116.50
6. Step 6: Final answer
   x = 7,779.45