Finding the Fourth Proportional to 6,607.40, 9,118.28 and 3,623.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,607.40 : 9,118.28 = 3,623.30 : x
2. Step 2: Convert to fraction form
   6,607.40/9,118.28 = 3,623.30/x
3. Step 3: Cross multiply
   6,607.40x = 9,118.28 × 3,623.30
4. Step 4: Simplify right side
   6,607.40x = 33,038,200.22
5. Step 5: Solve for x
   x = 33,038,200.22/6,607.40
6. Step 6: Final answer
   x = 5,000.19