Finding the Fourth Proportional to 1,059.58, 1,588.51 and 482.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.58 : 1,588.51 = 482.05 : x
2. Step 2: Convert to fraction form
   1,059.58/1,588.51 = 482.05/x
3. Step 3: Cross multiply
   1,059.58x = 1,588.51 × 482.05
4. Step 4: Simplify right side
   1,059.58x = 765,730.89
5. Step 5: Solve for x
   x = 765,730.89/1,059.58
6. Step 6: Final answer
   x = 722.68