Finding the Fourth Proportional to 3,404.89, 5,107.52 and 1,065.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404.89 : 5,107.52 = 1,065.07 : x
2. Step 2: Convert to fraction form
   3,404.89/5,107.52 = 1,065.07/x
3. Step 3: Cross multiply
   3,404.89x = 5,107.52 × 1,065.07
4. Step 4: Simplify right side
   3,404.89x = 5,439,866.33
5. Step 5: Solve for x
   x = 5,439,866.33/3,404.89
6. Step 6: Final answer
   x = 1,597.66