Finding the Fourth Proportional to 7,984.16, 11,022.72 and 5,340.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,984.16 : 11,022.72 = 5,340.32 : x
2. Step 2: Convert to fraction form
   7,984.16/11,022.72 = 5,340.32/x
3. Step 3: Cross multiply
   7,984.16x = 11,022.72 × 5,340.32
4. Step 4: Simplify right side
   7,984.16x = 58,864,852.07
5. Step 5: Solve for x
   x = 58,864,852.07/7,984.16
6. Step 6: Final answer
   x = 7,372.70