Finding the Fourth Proportional to 9,448.77, 13,038.72 and 5,198.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,448.77 : 13,038.72 = 5,198.97 : x
2. Step 2: Convert to fraction form
   9,448.77/13,038.72 = 5,198.97/x
3. Step 3: Cross multiply
   9,448.77x = 13,038.72 × 5,198.97
4. Step 4: Simplify right side
   9,448.77x = 67,787,914.12
5. Step 5: Solve for x
   x = 67,787,914.12/9,448.77
6. Step 6: Final answer
   x = 7,174.26