Finding the Fourth Proportional to 3,533.98, 5,269.74 and 3,502.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,533.98 : 5,269.74 = 3,502.31 : x
2. Step 2: Convert to fraction form
   3,533.98/5,269.74 = 3,502.31/x
3. Step 3: Cross multiply
   3,533.98x = 5,269.74 × 3,502.31
4. Step 4: Simplify right side
   3,533.98x = 18,456,243.32
5. Step 5: Solve for x
   x = 18,456,243.32/3,533.98
6. Step 6: Final answer
   x = 5,222.51