Finding the Fourth Proportional to 2,076.66, 2,858.85 and 1,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.66 : 2,858.85 = 1,800.72 : x
2. Step 2: Convert to fraction form
   2,076.66/2,858.85 = 1,800.72/x
3. Step 3: Cross multiply
   2,076.66x = 2,858.85 × 1,800.72
4. Step 4: Simplify right side
   2,076.66x = 5,147,988.37
5. Step 5: Solve for x
   x = 5,147,988.37/2,076.66
6. Step 6: Final answer
   x = 2,478.98