Finding the Fourth Proportional to 1,436.03, 2,153.89 and 703.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.03 : 2,153.89 = 703.39 : x
2. Step 2: Convert to fraction form
   1,436.03/2,153.89 = 703.39/x
3. Step 3: Cross multiply
   1,436.03x = 2,153.89 × 703.39
4. Step 4: Simplify right side
   1,436.03x = 1,515,017.54
5. Step 5: Solve for x
   x = 1,515,017.54/1,436.03
6. Step 6: Final answer
   x = 1,055.00