Finding the Fourth Proportional to 1,436.52, 2,153.88 and 888.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.52 : 2,153.88 = 888.96 : x
2. Step 2: Convert to fraction form
   1,436.52/2,153.88 = 888.96/x
3. Step 3: Cross multiply
   1,436.52x = 2,153.88 × 888.96
4. Step 4: Simplify right side
   1,436.52x = 1,914,713.16
5. Step 5: Solve for x
   x = 1,914,713.16/1,436.52
6. Step 6: Final answer
   x = 1,332.88