Finding the Fourth Proportional to 1,056.89, 1,583.31 and 593.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056.89 : 1,583.31 = 593.27 : x
2. Step 2: Convert to fraction form
   1,056.89/1,583.31 = 593.27/x
3. Step 3: Cross multiply
   1,056.89x = 1,583.31 × 593.27
4. Step 4: Simplify right side
   1,056.89x = 939,323.40
5. Step 5: Solve for x
   x = 939,323.40/1,056.89
6. Step 6: Final answer
   x = 888.76