Finding the Fourth Proportional to 2,662.48, 3,674.40 and 1,543.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.48 : 3,674.40 = 1,543.84 : x
2. Step 2: Convert to fraction form
   2,662.48/3,674.40 = 1,543.84/x
3. Step 3: Cross multiply
   2,662.48x = 3,674.40 × 1,543.84
4. Step 4: Simplify right side
   2,662.48x = 5,672,685.70
5. Step 5: Solve for x
   x = 5,672,685.70/2,662.48
6. Step 6: Final answer
   x = 2,130.60