Finding the Fourth Proportional to 9,636.62, 13,302.86 and 5,657.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.62 : 13,302.86 = 5,657.98 : x
2. Step 2: Convert to fraction form
   9,636.62/13,302.86 = 5,657.98/x
3. Step 3: Cross multiply
   9,636.62x = 13,302.86 × 5,657.98
4. Step 4: Simplify right side
   9,636.62x = 75,267,257.72
5. Step 5: Solve for x
   x = 75,267,257.72/9,636.62
6. Step 6: Final answer
   x = 7,810.54