Finding the Fourth Proportional to 3,474.89, 5,211.18 and 1,009.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,474.89 : 5,211.18 = 1,009.79 : x
2. Step 2: Convert to fraction form
   3,474.89/5,211.18 = 1,009.79/x
3. Step 3: Cross multiply
   3,474.89x = 5,211.18 × 1,009.79
4. Step 4: Simplify right side
   3,474.89x = 5,262,171.40
5. Step 5: Solve for x
   x = 5,262,171.40/3,474.89
6. Step 6: Final answer
   x = 1,514.34