Finding the Fourth Proportional to 7,719.08, 10,652.84 and 7,440.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,719.08 : 10,652.84 = 7,440.24 : x
2. Step 2: Convert to fraction form
   7,719.08/10,652.84 = 7,440.24/x
3. Step 3: Cross multiply
   7,719.08x = 10,652.84 × 7,440.24
4. Step 4: Simplify right side
   7,719.08x = 79,259,686.28
5. Step 5: Solve for x
   x = 79,259,686.28/7,719.08
6. Step 6: Final answer
   x = 10,268.02