Finding the Fourth Proportional to 2,006.94, 2,770.56 and 1,557.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.94 : 2,770.56 = 1,557.80 : x
2. Step 2: Convert to fraction form
   2,006.94/2,770.56 = 1,557.80/x
3. Step 3: Cross multiply
   2,006.94x = 2,770.56 × 1,557.80
4. Step 4: Simplify right side
   2,006.94x = 4,315,978.37
5. Step 5: Solve for x
   x = 4,315,978.37/2,006.94
6. Step 6: Final answer
   x = 2,150.53