Finding the Fourth Proportional to 3,400.30, 5,099.77 and 1,059.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400.30 : 5,099.77 = 1,059.67 : x
2. Step 2: Convert to fraction form
   3,400.30/5,099.77 = 1,059.67/x
3. Step 3: Cross multiply
   3,400.30x = 5,099.77 × 1,059.67
4. Step 4: Simplify right side
   3,400.30x = 5,404,073.28
5. Step 5: Solve for x
   x = 5,404,073.28/3,400.30
6. Step 6: Final answer
   x = 1,589.29