Finding the Fourth Proportional to 7,706.20, 10,626.01 and 5,577.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,706.20 : 10,626.01 = 5,577.52 : x
2. Step 2: Convert to fraction form
   7,706.20/10,626.01 = 5,577.52/x
3. Step 3: Cross multiply
   7,706.20x = 10,626.01 × 5,577.52
4. Step 4: Simplify right side
   7,706.20x = 59,266,783.30
5. Step 5: Solve for x
   x = 59,266,783.30/7,706.20
6. Step 6: Final answer
   x = 7,690.79