Finding the Fourth Proportional to 2,857.94, 4,276.52 and 2,359.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857.94 : 4,276.52 = 2,359.72 : x
2. Step 2: Convert to fraction form
   2,857.94/4,276.52 = 2,359.72/x
3. Step 3: Cross multiply
   2,857.94x = 4,276.52 × 2,359.72
4. Step 4: Simplify right side
   2,857.94x = 10,091,389.77
5. Step 5: Solve for x
   x = 10,091,389.77/2,857.94
6. Step 6: Final answer
   x = 3,531.00