Finding the Fourth Proportional to 1,061.38, 1,462.93 and 851.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.38 : 1,462.93 = 851.19 : x
2. Step 2: Convert to fraction form
   1,061.38/1,462.93 = 851.19/x
3. Step 3: Cross multiply
   1,061.38x = 1,462.93 × 851.19
4. Step 4: Simplify right side
   1,061.38x = 1,245,231.39
5. Step 5: Solve for x
   x = 1,245,231.39/1,061.38
6. Step 6: Final answer
   x = 1,173.22