Finding the Fourth Proportional to 1,933.72, 2,669.16 and 1,436.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.72 : 2,669.16 = 1,436.20 : x
2. Step 2: Convert to fraction form
   1,933.72/2,669.16 = 1,436.20/x
3. Step 3: Cross multiply
   1,933.72x = 2,669.16 × 1,436.20
4. Step 4: Simplify right side
   1,933.72x = 3,833,447.59
5. Step 5: Solve for x
   x = 3,833,447.59/1,933.72
6. Step 6: Final answer
   x = 1,982.42