Finding the Fourth Proportional to 3,380.58, 5,069.48 and 1,040.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.58 : 5,069.48 = 1,040.01 : x
2. Step 2: Convert to fraction form
   3,380.58/5,069.48 = 1,040.01/x
3. Step 3: Cross multiply
   3,380.58x = 5,069.48 × 1,040.01
4. Step 4: Simplify right side
   3,380.58x = 5,272,304.69
5. Step 5: Solve for x
   x = 5,272,304.69/3,380.58
6. Step 6: Final answer
   x = 1,559.59