Finding the Fourth Proportional to 1,894.78, 2,837.31 and 1,071.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.78 : 2,837.31 = 1,071.82 : x
2. Step 2: Convert to fraction form
   1,894.78/2,837.31 = 1,071.82/x
3. Step 3: Cross multiply
   1,894.78x = 2,837.31 × 1,071.82
4. Step 4: Simplify right side
   1,894.78x = 3,041,085.60
5. Step 5: Solve for x
   x = 3,041,085.60/1,894.78
6. Step 6: Final answer
   x = 1,604.98