Finding the Fourth Proportional to 1,850.54, 2,771.34 and 1,788.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850.54 : 2,771.34 = 1,788.98 : x
2. Step 2: Convert to fraction form
   1,850.54/2,771.34 = 1,788.98/x
3. Step 3: Cross multiply
   1,850.54x = 2,771.34 × 1,788.98
4. Step 4: Simplify right side
   1,850.54x = 4,957,871.83
5. Step 5: Solve for x
   x = 4,957,871.83/1,850.54
6. Step 6: Final answer
   x = 2,679.15