Finding the Fourth Proportional to 10,674.81, 16,014.71 and 3,654.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,674.81 : 16,014.71 = 3,654.90 : x
2. Step 2: Convert to fraction form
   10,674.81/16,014.71 = 3,654.90/x
3. Step 3: Cross multiply
   10,674.81x = 16,014.71 × 3,654.90
4. Step 4: Simplify right side
   10,674.81x = 58,532,145.30
5. Step 5: Solve for x
   x = 58,532,145.30/10,674.81
6. Step 6: Final answer
   x = 5,483.20