Finding the Fourth Proportional to 2,132.04, 3,196.98 and 1,439.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.04 : 3,196.98 = 1,439.76 : x
2. Step 2: Convert to fraction form
   2,132.04/3,196.98 = 1,439.76/x
3. Step 3: Cross multiply
   2,132.04x = 3,196.98 × 1,439.76
4. Step 4: Simplify right side
   2,132.04x = 4,602,883.92
5. Step 5: Solve for x
   x = 4,602,883.92/2,132.04
6. Step 6: Final answer
   x = 2,158.91