Finding the Fourth Proportional to 7,011.77, 10,515.56 and 5,776.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,011.77 : 10,515.56 = 5,776.11 : x
2. Step 2: Convert to fraction form
   7,011.77/10,515.56 = 5,776.11/x
3. Step 3: Cross multiply
   7,011.77x = 10,515.56 × 5,776.11
4. Step 4: Simplify right side
   7,011.77x = 60,739,002.39
5. Step 5: Solve for x
   x = 60,739,002.39/7,011.77
6. Step 6: Final answer
   x = 8,662.44