Finding the Fourth Proportional to 13,796.56, 19,039.28 and 7,745.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.56 : 19,039.28 = 7,745.96 : x
2. Step 2: Convert to fraction form
   13,796.56/19,039.28 = 7,745.96/x
3. Step 3: Cross multiply
   13,796.56x = 19,039.28 × 7,745.96
4. Step 4: Simplify right side
   13,796.56x = 147,477,501.31
5. Step 5: Solve for x
   x = 147,477,501.31/13,796.56
6. Step 6: Final answer
   x = 10,689.44