Finding the Fourth Proportional to 3,184.98, 4,780.98 and 2,256.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,184.98 : 4,780.98 = 2,256.72 : x
2. Step 2: Convert to fraction form
   3,184.98/4,780.98 = 2,256.72/x
3. Step 3: Cross multiply
   3,184.98x = 4,780.98 × 2,256.72
4. Step 4: Simplify right side
   3,184.98x = 10,789,333.19
5. Step 5: Solve for x
   x = 10,789,333.19/3,184.98
6. Step 6: Final answer
   x = 3,387.57