Finding the Fourth Proportional to 2,436.75, 3,362.72 and 1,388.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.75 : 3,362.72 = 1,388.84 : x
2. Step 2: Convert to fraction form
   2,436.75/3,362.72 = 1,388.84/x
3. Step 3: Cross multiply
   2,436.75x = 3,362.72 × 1,388.84
4. Step 4: Simplify right side
   2,436.75x = 4,670,256.29
5. Step 5: Solve for x
   x = 4,670,256.29/2,436.75
6. Step 6: Final answer
   x = 1,916.59