Finding the Fourth Proportional to 1,057.86, 1,459.71 and 592.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.86 : 1,459.71 = 592.11 : x
2. Step 2: Convert to fraction form
   1,057.86/1,459.71 = 592.11/x
3. Step 3: Cross multiply
   1,057.86x = 1,459.71 × 592.11
4. Step 4: Simplify right side
   1,057.86x = 864,308.89
5. Step 5: Solve for x
   x = 864,308.89/1,057.86
6. Step 6: Final answer
   x = 817.04