Finding the Fourth Proportional to 13,911.77, 19,196.37 and 7,943.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,911.77 : 19,196.37 = 7,943.06 : x
2. Step 2: Convert to fraction form
   13,911.77/19,196.37 = 7,943.06/x
3. Step 3: Cross multiply
   13,911.77x = 19,196.37 × 7,943.06
4. Step 4: Simplify right side
   13,911.77x = 152,477,918.69
5. Step 5: Solve for x
   x = 152,477,918.69/13,911.77
6. Step 6: Final answer
   x = 10,960.35