Finding the Fourth Proportional to 2,484.40, 3,427.72 and 1,436.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,484.40 : 3,427.72 = 1,436.32 : x
2. Step 2: Convert to fraction form
   2,484.40/3,427.72 = 1,436.32/x
3. Step 3: Cross multiply
   2,484.40x = 3,427.72 × 1,436.32
4. Step 4: Simplify right side
   2,484.40x = 4,923,302.79
5. Step 5: Solve for x
   x = 4,923,302.79/2,484.40
6. Step 6: Final answer
   x = 1,981.69