Finding the Fourth Proportional to 13,796.46, 19,039.55 and 7,828.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.46 : 19,039.55 = 7,828.38 : x
2. Step 2: Convert to fraction form
   13,796.46/19,039.55 = 7,828.38/x
3. Step 3: Cross multiply
   13,796.46x = 19,039.55 × 7,828.38
4. Step 4: Simplify right side
   13,796.46x = 149,048,832.43
5. Step 5: Solve for x
   x = 149,048,832.43/13,796.46
6. Step 6: Final answer
   x = 10,803.41