Finding the Fourth Proportional to 2,853.56, 4,278.72 and 1,700.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,853.56 : 4,278.72 = 1,700.12 : x
2. Step 2: Convert to fraction form
   2,853.56/4,278.72 = 1,700.12/x
3. Step 3: Cross multiply
   2,853.56x = 4,278.72 × 1,700.12
4. Step 4: Simplify right side
   2,853.56x = 7,274,337.45
5. Step 5: Solve for x
   x = 7,274,337.45/2,853.56
6. Step 6: Final answer
   x = 2,549.21