Finding the Fourth Proportional to 2,168.80, 3,253.09 and 1,508.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.80 : 3,253.09 = 1,508.72 : x
2. Step 2: Convert to fraction form
   2,168.80/3,253.09 = 1,508.72/x
3. Step 3: Cross multiply
   2,168.80x = 3,253.09 × 1,508.72
4. Step 4: Simplify right side
   2,168.80x = 4,907,994.40
5. Step 5: Solve for x
   x = 4,907,994.40/2,168.80
6. Step 6: Final answer
   x = 2,263.01