Finding the Fourth Proportional to 2,662.93, 3,674.68 and 1,543.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.93 : 3,674.68 = 1,543.78 : x
2. Step 2: Convert to fraction form
   2,662.93/3,674.68 = 1,543.78/x
3. Step 3: Cross multiply
   2,662.93x = 3,674.68 × 1,543.78
4. Step 4: Simplify right side
   2,662.93x = 5,672,897.49
5. Step 5: Solve for x
   x = 5,672,897.49/2,662.93
6. Step 6: Final answer
   x = 2,130.32