Finding the Fourth Proportional to 7,137.45, 9,850.82 and 5,455.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,137.45 : 9,850.82 = 5,455.62 : x
2. Step 2: Convert to fraction form
   7,137.45/9,850.82 = 5,455.62/x
3. Step 3: Cross multiply
   7,137.45x = 9,850.82 × 5,455.62
4. Step 4: Simplify right side
   7,137.45x = 53,742,303.33
5. Step 5: Solve for x
   x = 53,742,303.33/7,137.45
6. Step 6: Final answer
   x = 7,529.62