Finding the Fourth Proportional to 8,325.72, 12,488.94 and 2,777.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,325.72 : 12,488.94 = 2,777.94 : x
2. Step 2: Convert to fraction form
   8,325.72/12,488.94 = 2,777.94/x
3. Step 3: Cross multiply
   8,325.72x = 12,488.94 × 2,777.94
4. Step 4: Simplify right side
   8,325.72x = 34,693,525.98
5. Step 5: Solve for x
   x = 34,693,525.98/8,325.72
6. Step 6: Final answer
   x = 4,167.03