Finding the Fourth Proportional to 1,857.94, 2,563.12 and 1,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.94 : 2,563.12 = 1,111.52 : x
2. Step 2: Convert to fraction form
   1,857.94/2,563.12 = 1,111.52/x
3. Step 3: Cross multiply
   1,857.94x = 2,563.12 × 1,111.52
4. Step 4: Simplify right side
   1,857.94x = 2,848,959.14
5. Step 5: Solve for x
   x = 2,848,959.14/1,857.94
6. Step 6: Final answer
   x = 1,533.40