Finding the Fourth Proportional to 1,436.82, 1,983.54 and 1,012.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.82 : 1,983.54 = 1,012.08 : x
2. Step 2: Convert to fraction form
   1,436.82/1,983.54 = 1,012.08/x
3. Step 3: Cross multiply
   1,436.82x = 1,983.54 × 1,012.08
4. Step 4: Simplify right side
   1,436.82x = 2,007,501.16
5. Step 5: Solve for x
   x = 2,007,501.16/1,436.82
6. Step 6: Final answer
   x = 1,397.18