Finding the Fourth Proportional to 2,176.32, 3,005.82 and 1,433.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.32 : 3,005.82 = 1,433.60 : x
2. Step 2: Convert to fraction form
   2,176.32/3,005.82 = 1,433.60/x
3. Step 3: Cross multiply
   2,176.32x = 3,005.82 × 1,433.60
4. Step 4: Simplify right side
   2,176.32x = 4,309,136.38
5. Step 5: Solve for x
   x = 4,309,136.38/2,176.32
6. Step 6: Final answer
   x = 1,980.01