Finding the Fourth Proportional to 10,015.05, 13,806.04 and 7,883.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,015.05 : 13,806.04 = 7,883.76 : x
2. Step 2: Convert to fraction form
   10,015.05/13,806.04 = 7,883.76/x
3. Step 3: Cross multiply
   10,015.05x = 13,806.04 × 7,883.76
4. Step 4: Simplify right side
   10,015.05x = 108,843,505.91
5. Step 5: Solve for x
   x = 108,843,505.91/10,015.05
6. Step 6: Final answer
   x = 10,867.99