Finding the Fourth Proportional to 1,059.06, 1,461.61 and 593.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059.06 : 1,461.61 = 593.31 : x
2. Step 2: Convert to fraction form
   1,059.06/1,461.61 = 593.31/x
3. Step 3: Cross multiply
   1,059.06x = 1,461.61 × 593.31
4. Step 4: Simplify right side
   1,059.06x = 867,187.83
5. Step 5: Solve for x
   x = 867,187.83/1,059.06
6. Step 6: Final answer
   x = 818.83