Finding the Fourth Proportional to 9,435.17, 13,022.89 and 5,455.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.17 : 13,022.89 = 5,455.71 : x
2. Step 2: Convert to fraction form
   9,435.17/13,022.89 = 5,455.71/x
3. Step 3: Cross multiply
   9,435.17x = 13,022.89 × 5,455.71
4. Step 4: Simplify right side
   9,435.17x = 71,049,097.56
5. Step 5: Solve for x
   x = 71,049,097.56/9,435.17
6. Step 6: Final answer
   x = 7,530.24