Finding the Fourth Proportional to 10,870.18, 16,307.76 and 3,944.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.18 : 16,307.76 = 3,944.68 : x
2. Step 2: Convert to fraction form
   10,870.18/16,307.76 = 3,944.68/x
3. Step 3: Cross multiply
   10,870.18x = 16,307.76 × 3,944.68
4. Step 4: Simplify right side
   10,870.18x = 64,328,894.72
5. Step 5: Solve for x
   x = 64,328,894.72/10,870.18
6. Step 6: Final answer
   x = 5,917.92