Finding the Fourth Proportional to 13,843.98, 19,105.02 and 7,556.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843.98 : 19,105.02 = 7,556.40 : x
2. Step 2: Convert to fraction form
   13,843.98/19,105.02 = 7,556.40/x
3. Step 3: Cross multiply
   13,843.98x = 19,105.02 × 7,556.40
4. Step 4: Simplify right side
   13,843.98x = 144,365,173.13
5. Step 5: Solve for x
   x = 144,365,173.13/13,843.98
6. Step 6: Final answer
   x = 10,428.01