Finding the Fourth Proportional to 2,543.82, 3,812.54 and 1,448.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.82 : 3,812.54 = 1,448.80 : x
2. Step 2: Convert to fraction form
   2,543.82/3,812.54 = 1,448.80/x
3. Step 3: Cross multiply
   2,543.82x = 3,812.54 × 1,448.80
4. Step 4: Simplify right side
   2,543.82x = 5,523,591.18
5. Step 5: Solve for x
   x = 5,523,591.18/2,543.82
6. Step 6: Final answer
   x = 2,171.38