Finding the Fourth Proportional to 3,724.47, 5,586.72 and 1,259.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,724.47 : 5,586.72 = 1,259.10 : x
2. Step 2: Convert to fraction form
   3,724.47/5,586.72 = 1,259.10/x
3. Step 3: Cross multiply
   3,724.47x = 5,586.72 × 1,259.10
4. Step 4: Simplify right side
   3,724.47x = 7,034,239.15
5. Step 5: Solve for x
   x = 7,034,239.15/3,724.47
6. Step 6: Final answer
   x = 1,888.66