Finding the Fourth Proportional to 2,612.46, 3,898.43 and 2,335.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.46 : 3,898.43 = 2,335.50 : x
2. Step 2: Convert to fraction form
   2,612.46/3,898.43 = 2,335.50/x
3. Step 3: Cross multiply
   2,612.46x = 3,898.43 × 2,335.50
4. Step 4: Simplify right side
   2,612.46x = 9,104,771.59
5. Step 5: Solve for x
   x = 9,104,771.59/2,612.46
6. Step 6: Final answer
   x = 3,485.13