Finding the Fourth Proportional to 1,355.65, 1,870.52 and 1,041.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.65 : 1,870.52 = 1,041.27 : x
2. Step 2: Convert to fraction form
   1,355.65/1,870.52 = 1,041.27/x
3. Step 3: Cross multiply
   1,355.65x = 1,870.52 × 1,041.27
4. Step 4: Simplify right side
   1,355.65x = 1,947,701.80
5. Step 5: Solve for x
   x = 1,947,701.80/1,355.65
6. Step 6: Final answer
   x = 1,436.73