Finding the Fourth Proportional to 1,354.41, 1,870.01 and 850.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.41 : 1,870.01 = 850.46 : x
2. Step 2: Convert to fraction form
   1,354.41/1,870.01 = 850.46/x
3. Step 3: Cross multiply
   1,354.41x = 1,870.01 × 850.46
4. Step 4: Simplify right side
   1,354.41x = 1,590,355.10
5. Step 5: Solve for x
   x = 1,590,355.10/1,354.41
6. Step 6: Final answer
   x = 1,174.21