Finding the Fourth Proportional to 2,777.88, 4,162.50 and 1,682.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,777.88 : 4,162.50 = 1,682.76 : x
2. Step 2: Convert to fraction form
   2,777.88/4,162.50 = 1,682.76/x
3. Step 3: Cross multiply
   2,777.88x = 4,162.50 × 1,682.76
4. Step 4: Simplify right side
   2,777.88x = 7,004,488.50
5. Step 5: Solve for x
   x = 7,004,488.50/2,777.88
6. Step 6: Final answer
   x = 2,521.52