Finding the Fourth Proportional to 13,805.68, 19,048.56 and 7,836.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,805.68 : 19,048.56 = 7,836.04 : x
2. Step 2: Convert to fraction form
   13,805.68/19,048.56 = 7,836.04/x
3. Step 3: Cross multiply
   13,805.68x = 19,048.56 × 7,836.04
4. Step 4: Simplify right side
   13,805.68x = 149,265,278.10
5. Step 5: Solve for x
   x = 149,265,278.10/13,805.68
6. Step 6: Final answer
   x = 10,811.87