Finding the Fourth Proportional to 10,981.15, 16,473.32 and 3,583.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981.15 : 16,473.32 = 3,583.79 : x
2. Step 2: Convert to fraction form
   10,981.15/16,473.32 = 3,583.79/x
3. Step 3: Cross multiply
   10,981.15x = 16,473.32 × 3,583.79
4. Step 4: Simplify right side
   10,981.15x = 59,036,919.48
5. Step 5: Solve for x
   x = 59,036,919.48/10,981.15
6. Step 6: Final answer
   x = 5,376.21