Finding the Fourth Proportional to 1,016.06, 1,402.11 and 573.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.06 : 1,402.11 = 573.98 : x
2. Step 2: Convert to fraction form
   1,016.06/1,402.11 = 573.98/x
3. Step 3: Cross multiply
   1,016.06x = 1,402.11 × 573.98
4. Step 4: Simplify right side
   1,016.06x = 804,776.09
5. Step 5: Solve for x
   x = 804,776.09/1,016.06
6. Step 6: Final answer
   x = 792.06