Finding the Fourth Proportional to 13,796.98, 19,039.53 and 7,828.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.98 : 19,039.53 = 7,828.54 : x
2. Step 2: Convert to fraction form
   13,796.98/19,039.53 = 7,828.54/x
3. Step 3: Cross multiply
   13,796.98x = 19,039.53 × 7,828.54
4. Step 4: Simplify right side
   13,796.98x = 149,051,722.19
5. Step 5: Solve for x
   x = 149,051,722.19/13,796.98
6. Step 6: Final answer
   x = 10,803.21