Finding the Fourth Proportional to 3,931.83, 5,898.42 and 1,299.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.83 : 5,898.42 = 1,299.96 : x
2. Step 2: Convert to fraction form
   3,931.83/5,898.42 = 1,299.96/x
3. Step 3: Cross multiply
   3,931.83x = 5,898.42 × 1,299.96
4. Step 4: Simplify right side
   3,931.83x = 7,667,710.06
5. Step 5: Solve for x
   x = 7,667,710.06/3,931.83
6. Step 6: Final answer
   x = 1,950.16