Finding the Fourth Proportional to 4,119.72, 5,685.24 and 2,256.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,119.72 : 5,685.24 = 2,256.72 : x
2. Step 2: Convert to fraction form
   4,119.72/5,685.24 = 2,256.72/x
3. Step 3: Cross multiply
   4,119.72x = 5,685.24 × 2,256.72
4. Step 4: Simplify right side
   4,119.72x = 12,829,994.81
5. Step 5: Solve for x
   x = 12,829,994.81/4,119.72
6. Step 6: Final answer
   x = 3,114.29