Finding the Fourth Proportional to 3,300.80, 4,554.96 and 1,808.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.80 : 4,554.96 = 1,808.72 : x
2. Step 2: Convert to fraction form
   3,300.80/4,554.96 = 1,808.72/x
3. Step 3: Cross multiply
   3,300.80x = 4,554.96 × 1,808.72
4. Step 4: Simplify right side
   3,300.80x = 8,238,647.25
5. Step 5: Solve for x
   x = 8,238,647.25/3,300.80
6. Step 6: Final answer
   x = 2,495.95