Finding the Fourth Proportional to 1,345.87, 1,857.83 and 848.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.87 : 1,857.83 = 848.41 : x
2. Step 2: Convert to fraction form
   1,345.87/1,857.83 = 848.41/x
3. Step 3: Cross multiply
   1,345.87x = 1,857.83 × 848.41
4. Step 4: Simplify right side
   1,345.87x = 1,576,197.31
5. Step 5: Solve for x
   x = 1,576,197.31/1,345.87
6. Step 6: Final answer
   x = 1,171.14