Finding the Fourth Proportional to 1,185.05, 1,777.48 and 599.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185.05 : 1,777.48 = 599.83 : x
2. Step 2: Convert to fraction form
   1,185.05/1,777.48 = 599.83/x
3. Step 3: Cross multiply
   1,185.05x = 1,777.48 × 599.83
4. Step 4: Simplify right side
   1,185.05x = 1,066,185.83
5. Step 5: Solve for x
   x = 1,066,185.83/1,185.05
6. Step 6: Final answer
   x = 899.70