Finding the Fourth Proportional to 3,399.30, 5,100.11 and 1,059.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.30 : 5,100.11 = 1,059.84 : x
2. Step 2: Convert to fraction form
   3,399.30/5,100.11 = 1,059.84/x
3. Step 3: Cross multiply
   3,399.30x = 5,100.11 × 1,059.84
4. Step 4: Simplify right side
   3,399.30x = 5,405,300.58
5. Step 5: Solve for x
   x = 5,405,300.58/3,399.30
6. Step 6: Final answer
   x = 1,590.12