Finding the Fourth Proportional to 3,478.69, 5,218.71 and 1,504.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478.69 : 5,218.71 = 1,504.32 : x
2. Step 2: Convert to fraction form
   3,478.69/5,218.71 = 1,504.32/x
3. Step 3: Cross multiply
   3,478.69x = 5,218.71 × 1,504.32
4. Step 4: Simplify right side
   3,478.69x = 7,850,609.83
5. Step 5: Solve for x
   x = 7,850,609.83/3,478.69
6. Step 6: Final answer
   x = 2,256.77