Finding the Fourth Proportional to 1,057.76, 1,459.72 and 592.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057.76 : 1,459.72 = 592.01 : x
2. Step 2: Convert to fraction form
   1,057.76/1,459.72 = 592.01/x
3. Step 3: Cross multiply
   1,057.76x = 1,459.72 × 592.01
4. Step 4: Simplify right side
   1,057.76x = 864,168.84
5. Step 5: Solve for x
   x = 864,168.84/1,057.76
6. Step 6: Final answer
   x = 816.98