Finding the Fourth Proportional to 13,796.49, 19,038.59 and 7,828.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,796.49 : 19,038.59 = 7,828.03 : x
2. Step 2: Convert to fraction form
   13,796.49/19,038.59 = 7,828.03/x
3. Step 3: Cross multiply
   13,796.49x = 19,038.59 × 7,828.03
4. Step 4: Simplify right side
   13,796.49x = 149,034,606.08
5. Step 5: Solve for x
   x = 149,034,606.08/13,796.49
6. Step 6: Final answer
   x = 10,802.36