Finding the Fourth Proportional to 8,139.06, 12,195.52 and 5,009.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139.06 : 12,195.52 = 5,009.83 : x
2. Step 2: Convert to fraction form
   8,139.06/12,195.52 = 5,009.83/x
3. Step 3: Cross multiply
   8,139.06x = 12,195.52 × 5,009.83
4. Step 4: Simplify right side
   8,139.06x = 61,097,481.96
5. Step 5: Solve for x
   x = 61,097,481.96/8,139.06
6. Step 6: Final answer
   x = 7,506.70