Finding the Fourth Proportional to 10,983.78, 16,477.26 and 3,586.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.78 : 16,477.26 = 3,586.42 : x
2. Step 2: Convert to fraction form
   10,983.78/16,477.26 = 3,586.42/x
3. Step 3: Cross multiply
   10,983.78x = 16,477.26 × 3,586.42
4. Step 4: Simplify right side
   10,983.78x = 59,094,374.81
5. Step 5: Solve for x
   x = 59,094,374.81/10,983.78
6. Step 6: Final answer
   x = 5,380.15