Finding the Fourth Proportional to 13,079.43, 19,604.52 and 5,174.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,079.43 : 19,604.52 = 5,174.64 : x
2. Step 2: Convert to fraction form
   13,079.43/19,604.52 = 5,174.64/x
3. Step 3: Cross multiply
   13,079.43x = 19,604.52 × 5,174.64
4. Step 4: Simplify right side
   13,079.43x = 101,446,333.37
5. Step 5: Solve for x
   x = 101,446,333.37/13,079.43
6. Step 6: Final answer
   x = 7,756.17