Finding the Fourth Proportional to 2,051.34, 2,830.81 and 1,167.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.34 : 2,830.81 = 1,167.12 : x
2. Step 2: Convert to fraction form
   2,051.34/2,830.81 = 1,167.12/x
3. Step 3: Cross multiply
   2,051.34x = 2,830.81 × 1,167.12
4. Step 4: Simplify right side
   2,051.34x = 3,303,902.04
5. Step 5: Solve for x
   x = 3,303,902.04/2,051.34
6. Step 6: Final answer
   x = 1,610.61