Finding the Fourth Proportional to 1,057.89, 1,459.89 and 592.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.89 : 1,459.89 = 592.14 : x
2. Step 2: Convert to fraction form
   1,057.89/1,459.89 = 592.14/x
3. Step 3: Cross multiply
   1,057.89x = 1,459.89 × 592.14
4. Step 4: Simplify right side
   1,057.89x = 864,459.26
5. Step 5: Solve for x
   x = 864,459.26/1,057.89
6. Step 6: Final answer
   x = 817.15