Finding the Fourth Proportional to 1,895.82, 2,840.04 and 1,071.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.82 : 2,840.04 = 1,071.60 : x
2. Step 2: Convert to fraction form
   1,895.82/2,840.04 = 1,071.60/x
3. Step 3: Cross multiply
   1,895.82x = 2,840.04 × 1,071.60
4. Step 4: Simplify right side
   1,895.82x = 3,043,386.86
5. Step 5: Solve for x
   x = 3,043,386.86/1,895.82
6. Step 6: Final answer
   x = 1,605.31