Finding the Fourth Proportional to 1,436.94, 1,982.75 and 1,312.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.94 : 1,982.75 = 1,312.38 : x
2. Step 2: Convert to fraction form
   1,436.94/1,982.75 = 1,312.38/x
3. Step 3: Cross multiply
   1,436.94x = 1,982.75 × 1,312.38
4. Step 4: Simplify right side
   1,436.94x = 2,602,114.88
5. Step 5: Solve for x
   x = 2,602,114.88/1,436.94
6. Step 6: Final answer
   x = 1,810.87