Finding the Fourth Proportional to 3,368.54, 5,053.35 and 1,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,368.54 : 5,053.35 = 1,059.50 : x
2. Step 2: Convert to fraction form
   3,368.54/5,053.35 = 1,059.50/x
3. Step 3: Cross multiply
   3,368.54x = 5,053.35 × 1,059.50
4. Step 4: Simplify right side
   3,368.54x = 5,354,024.33
5. Step 5: Solve for x
   x = 5,354,024.33/3,368.54
6. Step 6: Final answer
   x = 1,589.42