Finding the Fourth Proportional to 6,611.32, 9,123.88 and 3,627.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,611.32 : 9,123.88 = 3,627.28 : x
2. Step 2: Convert to fraction form
   6,611.32/9,123.88 = 3,627.28/x
3. Step 3: Cross multiply
   6,611.32x = 9,123.88 × 3,627.28
4. Step 4: Simplify right side
   6,611.32x = 33,094,867.45
5. Step 5: Solve for x
   x = 33,094,867.45/6,611.32
6. Step 6: Final answer
   x = 5,005.79