Finding the Fourth Proportional to 3,474.42, 5,212.40 and 1,009.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,474.42 : 5,212.40 = 1,009.34 : x
2. Step 2: Convert to fraction form
   3,474.42/5,212.40 = 1,009.34/x
3. Step 3: Cross multiply
   3,474.42x = 5,212.40 × 1,009.34
4. Step 4: Simplify right side
   3,474.42x = 5,261,083.82
5. Step 5: Solve for x
   x = 5,261,083.82/3,474.42
6. Step 6: Final answer
   x = 1,514.23