Finding the Fourth Proportional to 1,384.35, 2,065.82 and 1,236.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.35 : 2,065.82 = 1,236.52 : x
2. Step 2: Convert to fraction form
   1,384.35/2,065.82 = 1,236.52/x
3. Step 3: Cross multiply
   1,384.35x = 2,065.82 × 1,236.52
4. Step 4: Simplify right side
   1,384.35x = 2,554,427.75
5. Step 5: Solve for x
   x = 2,554,427.75/1,384.35
6. Step 6: Final answer
   x = 1,845.22