Finding the Fourth Proportional to 3,656.17, 5,484.35 and 1,059.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.17 : 5,484.35 = 1,059.31 : x
2. Step 2: Convert to fraction form
   3,656.17/5,484.35 = 1,059.31/x
3. Step 3: Cross multiply
   3,656.17x = 5,484.35 × 1,059.31
4. Step 4: Simplify right side
   3,656.17x = 5,809,626.80
5. Step 5: Solve for x
   x = 5,809,626.80/3,656.17
6. Step 6: Final answer
   x = 1,588.99