Finding the Fourth Proportional to 1,356.46, 1,872.23 and 883.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.46 : 1,872.23 = 883.54 : x
2. Step 2: Convert to fraction form
   1,356.46/1,872.23 = 883.54/x
3. Step 3: Cross multiply
   1,356.46x = 1,872.23 × 883.54
4. Step 4: Simplify right side
   1,356.46x = 1,654,176.32
5. Step 5: Solve for x
   x = 1,654,176.32/1,356.46
6. Step 6: Final answer
   x = 1,219.48