Finding the Fourth Proportional to 1,436.10, 2,152.17 and 888.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.10 : 2,152.17 = 888.54 : x
2. Step 2: Convert to fraction form
   1,436.10/2,152.17 = 888.54/x
3. Step 3: Cross multiply
   1,436.10x = 2,152.17 × 888.54
4. Step 4: Simplify right side
   1,436.10x = 1,912,289.13
5. Step 5: Solve for x
   x = 1,912,289.13/1,436.10
6. Step 6: Final answer
   x = 1,331.58