Finding the Fourth Proportional to 19,477.69, 29,213.57 and 5,436.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,477.69 : 29,213.57 = 5,436.24 : x
2. Step 2: Convert to fraction form
   19,477.69/29,213.57 = 5,436.24/x
3. Step 3: Cross multiply
   19,477.69x = 29,213.57 × 5,436.24
4. Step 4: Simplify right side
   19,477.69x = 158,811,977.78
5. Step 5: Solve for x
   x = 158,811,977.78/19,477.69
6. Step 6: Final answer
   x = 8,153.53