Finding the Fourth Proportional to 2,605.46, 3,905.96 and 1,046.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.46 : 3,905.96 = 1,046.61 : x
2. Step 2: Convert to fraction form
   2,605.46/3,905.96 = 1,046.61/x
3. Step 3: Cross multiply
   2,605.46x = 3,905.96 × 1,046.61
4. Step 4: Simplify right side
   2,605.46x = 4,088,011.56
5. Step 5: Solve for x
   x = 4,088,011.56/2,605.46
6. Step 6: Final answer
   x = 1,569.02