Finding the Fourth Proportional to 1,857.06, 2,563.56 and 1,227.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857.06 : 2,563.56 = 1,227.93 : x
2. Step 2: Convert to fraction form
   1,857.06/2,563.56 = 1,227.93/x
3. Step 3: Cross multiply
   1,857.06x = 2,563.56 × 1,227.93
4. Step 4: Simplify right side
   1,857.06x = 3,147,872.23
5. Step 5: Solve for x
   x = 3,147,872.23/1,857.06
6. Step 6: Final answer
   x = 1,695.08