Finding the Fourth Proportional to 2,384.48, 3,287.54 and 1,543.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.48 : 3,287.54 = 1,543.70 : x
2. Step 2: Convert to fraction form
   2,384.48/3,287.54 = 1,543.70/x
3. Step 3: Cross multiply
   2,384.48x = 3,287.54 × 1,543.70
4. Step 4: Simplify right side
   2,384.48x = 5,074,975.50
5. Step 5: Solve for x
   x = 5,074,975.50/2,384.48
6. Step 6: Final answer
   x = 2,128.34