Finding the Fourth Proportional to 7,019.30, 9,687.32 and 5,247.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.30 : 9,687.32 = 5,247.84 : x
2. Step 2: Convert to fraction form
   7,019.30/9,687.32 = 5,247.84/x
3. Step 3: Cross multiply
   7,019.30x = 9,687.32 × 5,247.84
4. Step 4: Simplify right side
   7,019.30x = 50,837,505.39
5. Step 5: Solve for x
   x = 50,837,505.39/7,019.30
6. Step 6: Final answer
   x = 7,242.53