Finding the Fourth Proportional to 2,081.34, 3,117.22 and 1,038.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.34 : 3,117.22 = 1,038.12 : x
2. Step 2: Convert to fraction form
   2,081.34/3,117.22 = 1,038.12/x
3. Step 3: Cross multiply
   2,081.34x = 3,117.22 × 1,038.12
4. Step 4: Simplify right side
   2,081.34x = 3,236,048.43
5. Step 5: Solve for x
   x = 3,236,048.43/2,081.34
6. Step 6: Final answer
   x = 1,554.79