Finding the Fourth Proportional to 9,628.02, 13,285.71 and 5,435.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,628.02 : 13,285.71 = 5,435.46 : x
2. Step 2: Convert to fraction form
   9,628.02/13,285.71 = 5,435.46/x
3. Step 3: Cross multiply
   9,628.02x = 13,285.71 × 5,435.46
4. Step 4: Simplify right side
   9,628.02x = 72,213,945.28
5. Step 5: Solve for x
   x = 72,213,945.28/9,628.02
6. Step 6: Final answer
   x = 7,500.39