Finding the Fourth Proportional to 7,298.84, 10,080.78 and 5,318.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298.84 : 10,080.78 = 5,318.24 : x
2. Step 2: Convert to fraction form
   7,298.84/10,080.78 = 5,318.24/x
3. Step 3: Cross multiply
   7,298.84x = 10,080.78 × 5,318.24
4. Step 4: Simplify right side
   7,298.84x = 53,612,007.43
5. Step 5: Solve for x
   x = 53,612,007.43/7,298.84
6. Step 6: Final answer
   x = 7,345.28