Finding the Fourth Proportional to 3,623.49, 5,426.55 and 3,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,623.49 : 5,426.55 = 3,100.50 : x
2. Step 2: Convert to fraction form
   3,623.49/5,426.55 = 3,100.50/x
3. Step 3: Cross multiply
   3,623.49x = 5,426.55 × 3,100.50
4. Step 4: Simplify right side
   3,623.49x = 16,825,018.28
5. Step 5: Solve for x
   x = 16,825,018.28/3,623.49
6. Step 6: Final answer
   x = 4,643.32