Finding the Fourth Proportional to 2,127.34, 3,189.46 and 1,432.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.34 : 3,189.46 = 1,432.28 : x
2. Step 2: Convert to fraction form
   2,127.34/3,189.46 = 1,432.28/x
3. Step 3: Cross multiply
   2,127.34x = 3,189.46 × 1,432.28
4. Step 4: Simplify right side
   2,127.34x = 4,568,199.77
5. Step 5: Solve for x
   x = 4,568,199.77/2,127.34
6. Step 6: Final answer
   x = 2,147.38