Finding the Fourth Proportional to 2,576.82, 3,860.34 and 1,477.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.82 : 3,860.34 = 1,477.86 : x
2. Step 2: Convert to fraction form
   2,576.82/3,860.34 = 1,477.86/x
3. Step 3: Cross multiply
   2,576.82x = 3,860.34 × 1,477.86
4. Step 4: Simplify right side
   2,576.82x = 5,705,042.07
5. Step 5: Solve for x
   x = 5,705,042.07/2,576.82
6. Step 6: Final answer
   x = 2,213.99