Finding the Fourth Proportional to 1,992.42, 2,738.29 and 1,549.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.42 : 2,738.29 = 1,549.55 : x
2. Step 2: Convert to fraction form
   1,992.42/2,738.29 = 1,549.55/x
3. Step 3: Cross multiply
   1,992.42x = 2,738.29 × 1,549.55
4. Step 4: Simplify right side
   1,992.42x = 4,243,117.27
5. Step 5: Solve for x
   x = 4,243,117.27/1,992.42
6. Step 6: Final answer
   x = 2,129.63