Finding the Fourth Proportional to 8,036.21, 12,057.05 and 7,259.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,036.21 : 12,057.05 = 7,259.83 : x
2. Step 2: Convert to fraction form
   8,036.21/12,057.05 = 7,259.83/x
3. Step 3: Cross multiply
   8,036.21x = 12,057.05 × 7,259.83
4. Step 4: Simplify right side
   8,036.21x = 87,532,121.31
5. Step 5: Solve for x
   x = 87,532,121.31/8,036.21
6. Step 6: Final answer
   x = 10,892.21