Finding the Fourth Proportional to 1,895.82, 2,840.07 and 1,071.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.82 : 2,840.07 = 1,071.57 : x
2. Step 2: Convert to fraction form
   1,895.82/2,840.07 = 1,071.57/x
3. Step 3: Cross multiply
   1,895.82x = 2,840.07 × 1,071.57
4. Step 4: Simplify right side
   1,895.82x = 3,043,333.81
5. Step 5: Solve for x
   x = 3,043,333.81/1,895.82
6. Step 6: Final answer
   x = 1,605.29