Finding the Fourth Proportional to 7,763.02, 10,715.31 and 5,280.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,763.02 : 10,715.31 = 5,280.46 : x
2. Step 2: Convert to fraction form
   7,763.02/10,715.31 = 5,280.46/x
3. Step 3: Cross multiply
   7,763.02x = 10,715.31 × 5,280.46
4. Step 4: Simplify right side
   7,763.02x = 56,581,765.84
5. Step 5: Solve for x
   x = 56,581,765.84/7,763.02
6. Step 6: Final answer
   x = 7,288.63