Finding the Fourth Proportional to 9,856.03, 14,789.94 and 3,931.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.03 : 14,789.94 = 3,931.87 : x
2. Step 2: Convert to fraction form
   9,856.03/14,789.94 = 3,931.87/x
3. Step 3: Cross multiply
   9,856.03x = 14,789.94 × 3,931.87
4. Step 4: Simplify right side
   9,856.03x = 58,152,121.39
5. Step 5: Solve for x
   x = 58,152,121.39/9,856.03
6. Step 6: Final answer
   x = 5,900.16