Finding the Fourth Proportional to 7,012.28, 10,516.28 and 5,776.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.28 : 10,516.28 = 5,776.62 : x
2. Step 2: Convert to fraction form
   7,012.28/10,516.28 = 5,776.62/x
3. Step 3: Cross multiply
   7,012.28x = 10,516.28 × 5,776.62
4. Step 4: Simplify right side
   7,012.28x = 60,748,553.37
5. Step 5: Solve for x
   x = 60,748,553.37/7,012.28
6. Step 6: Final answer
   x = 8,663.17