Finding the Fourth Proportional to 3,924.72, 5,885.82 and 1,291.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.72 : 5,885.82 = 1,291.61 : x
2. Step 2: Convert to fraction form
   3,924.72/5,885.82 = 1,291.61/x
3. Step 3: Cross multiply
   3,924.72x = 5,885.82 × 1,291.61
4. Step 4: Simplify right side
   3,924.72x = 7,602,198.68
5. Step 5: Solve for x
   x = 7,602,198.68/3,924.72
6. Step 6: Final answer
   x = 1,937.00