Finding the Fourth Proportional to 8,188.97, 11,300.78 and 4,653.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,188.97 : 11,300.78 = 4,653.32 : x
2. Step 2: Convert to fraction form
   8,188.97/11,300.78 = 4,653.32/x
3. Step 3: Cross multiply
   8,188.97x = 11,300.78 × 4,653.32
4. Step 4: Simplify right side
   8,188.97x = 52,586,100.72
5. Step 5: Solve for x
   x = 52,586,100.72/8,188.97
6. Step 6: Final answer
   x = 6,421.58