Finding the Fourth Proportional to 2,312.34, 3,468.16 and 851.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.34 : 3,468.16 = 851.17 : x
2. Step 2: Convert to fraction form
   2,312.34/3,468.16 = 851.17/x
3. Step 3: Cross multiply
   2,312.34x = 3,468.16 × 851.17
4. Step 4: Simplify right side
   2,312.34x = 2,951,972.15
5. Step 5: Solve for x
   x = 2,951,972.15/2,312.34
6. Step 6: Final answer
   x = 1,276.62