Finding the Fourth Proportional to 2,905.98, 4,359.48 and 1,059.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,905.98 : 4,359.48 = 1,059.67 : x
2. Step 2: Convert to fraction form
   2,905.98/4,359.48 = 1,059.67/x
3. Step 3: Cross multiply
   2,905.98x = 4,359.48 × 1,059.67
4. Step 4: Simplify right side
   2,905.98x = 4,619,610.17
5. Step 5: Solve for x
   x = 4,619,610.17/2,905.98
6. Step 6: Final answer
   x = 1,589.69