Finding the Fourth Proportional to 5,667.20, 7,814.88 and 5,328.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.20 : 7,814.88 = 5,328.32 : x
2. Step 2: Convert to fraction form
   5,667.20/7,814.88 = 5,328.32/x
3. Step 3: Cross multiply
   5,667.20x = 7,814.88 × 5,328.32
4. Step 4: Simplify right side
   5,667.20x = 41,640,181.40
5. Step 5: Solve for x
   x = 41,640,181.40/5,667.20
6. Step 6: Final answer
   x = 7,347.58