Finding the Fourth Proportional to 3,724.72, 5,586.77 and 1,259.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.72 : 5,586.77 = 1,259.48 : x
2. Step 2: Convert to fraction form
   3,724.72/5,586.77 = 1,259.48/x
3. Step 3: Cross multiply
   3,724.72x = 5,586.77 × 1,259.48
4. Step 4: Simplify right side
   3,724.72x = 7,036,442.20
5. Step 5: Solve for x
   x = 7,036,442.20/3,724.72
6. Step 6: Final answer
   x = 1,889.12