Finding the Fourth Proportional to 5,053.91, 7,577.42 and 2,586.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,053.91 : 7,577.42 = 2,586.72 : x
2. Step 2: Convert to fraction form
   5,053.91/7,577.42 = 2,586.72/x
3. Step 3: Cross multiply
   5,053.91x = 7,577.42 × 2,586.72
4. Step 4: Simplify right side
   5,053.91x = 19,600,650.93
5. Step 5: Solve for x
   x = 19,600,650.93/5,053.91
6. Step 6: Final answer
   x = 3,878.32