Finding the Fourth Proportional to 1,410.52, 1,945.92 and 886.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.52 : 1,945.92 = 886.36 : x
2. Step 2: Convert to fraction form
   1,410.52/1,945.92 = 886.36/x
3. Step 3: Cross multiply
   1,410.52x = 1,945.92 × 886.36
4. Step 4: Simplify right side
   1,410.52x = 1,724,785.65
5. Step 5: Solve for x
   x = 1,724,785.65/1,410.52
6. Step 6: Final answer
   x = 1,222.80