Finding the Fourth Proportional to 1,354.00, 1,868.46 and 850.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.00 : 1,868.46 = 850.12 : x
2. Step 2: Convert to fraction form
   1,354.00/1,868.46 = 850.12/x
3. Step 3: Cross multiply
   1,354.00x = 1,868.46 × 850.12
4. Step 4: Simplify right side
   1,354.00x = 1,588,415.22
5. Step 5: Solve for x
   x = 1,588,415.22/1,354.00
6. Step 6: Final answer
   x = 1,173.13