Finding the Fourth Proportional to 2,730.96, 4,098.06 and 1,432.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.96 : 4,098.06 = 1,432.80 : x
2. Step 2: Convert to fraction form
   2,730.96/4,098.06 = 1,432.80/x
3. Step 3: Cross multiply
   2,730.96x = 4,098.06 × 1,432.80
4. Step 4: Simplify right side
   2,730.96x = 5,871,700.37
5. Step 5: Solve for x
   x = 5,871,700.37/2,730.96
6. Step 6: Final answer
   x = 2,150.05