Finding the Fourth Proportional to 7,854.06, 10,836.27 and 7,105.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,854.06 : 10,836.27 = 7,105.62 : x
2. Step 2: Convert to fraction form
   7,854.06/10,836.27 = 7,105.62/x
3. Step 3: Cross multiply
   7,854.06x = 10,836.27 × 7,105.62
4. Step 4: Simplify right side
   7,854.06x = 76,998,416.84
5. Step 5: Solve for x
   x = 76,998,416.84/7,854.06
6. Step 6: Final answer
   x = 9,803.65