Finding the Fourth Proportional to 2,605.89, 3,907.29 and 1,046.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605.89 : 3,907.29 = 1,046.62 : x
2. Step 2: Convert to fraction form
   2,605.89/3,907.29 = 1,046.62/x
3. Step 3: Cross multiply
   2,605.89x = 3,907.29 × 1,046.62
4. Step 4: Simplify right side
   2,605.89x = 4,089,447.86
5. Step 5: Solve for x
   x = 4,089,447.86/2,605.89
6. Step 6: Final answer
   x = 1,569.31