Finding the Fourth Proportional to 6,429.52, 9,645.72 and 3,657.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.52 : 9,645.72 = 3,657.52 : x
2. Step 2: Convert to fraction form
   6,429.52/9,645.72 = 3,657.52/x
3. Step 3: Cross multiply
   6,429.52x = 9,645.72 × 3,657.52
4. Step 4: Simplify right side
   6,429.52x = 35,279,413.81
5. Step 5: Solve for x
   x = 35,279,413.81/6,429.52
6. Step 6: Final answer
   x = 5,487.10