Finding the Fourth Proportional to 1,112.25, 1,669.01 and 599.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.25 : 1,669.01 = 599.25 : x
2. Step 2: Convert to fraction form
   1,112.25/1,669.01 = 599.25/x
3. Step 3: Cross multiply
   1,112.25x = 1,669.01 × 599.25
4. Step 4: Simplify right side
   1,112.25x = 1,000,151.25
5. Step 5: Solve for x
   x = 1,000,151.25/1,112.25
6. Step 6: Final answer
   x = 899.21