Finding the Fourth Proportional to 7,706.61, 10,636.13 and 5,722.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,706.61 : 10,636.13 = 5,722.83 : x
2. Step 2: Convert to fraction form
   7,706.61/10,636.13 = 5,722.83/x
3. Step 3: Cross multiply
   7,706.61x = 10,636.13 × 5,722.83
4. Step 4: Simplify right side
   7,706.61x = 60,868,778.15
5. Step 5: Solve for x
   x = 60,868,778.15/7,706.61
6. Step 6: Final answer
   x = 7,898.26