Finding the Fourth Proportional to 2,091.14, 3,134.58 and 1,167.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.14 : 3,134.58 = 1,167.10 : x
2. Step 2: Convert to fraction form
   2,091.14/3,134.58 = 1,167.10/x
3. Step 3: Cross multiply
   2,091.14x = 3,134.58 × 1,167.10
4. Step 4: Simplify right side
   2,091.14x = 3,658,368.32
5. Step 5: Solve for x
   x = 3,658,368.32/2,091.14
6. Step 6: Final answer
   x = 1,749.46