Finding the Fourth Proportional to 3,434.25, 5,150.15 and 1,485.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,434.25 : 5,150.15 = 1,485.39 : x
2. Step 2: Convert to fraction form
   3,434.25/5,150.15 = 1,485.39/x
3. Step 3: Cross multiply
   3,434.25x = 5,150.15 × 1,485.39
4. Step 4: Simplify right side
   3,434.25x = 7,649,981.31
5. Step 5: Solve for x
   x = 7,649,981.31/3,434.25
6. Step 6: Final answer
   x = 2,227.56