Finding the Fourth Proportional to 10,679.27, 16,008.18 and 3,654.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.27 : 16,008.18 = 3,654.47 : x
2. Step 2: Convert to fraction form
   10,679.27/16,008.18 = 3,654.47/x
3. Step 3: Cross multiply
   10,679.27x = 16,008.18 × 3,654.47
4. Step 4: Simplify right side
   10,679.27x = 58,501,333.52
5. Step 5: Solve for x
   x = 58,501,333.52/10,679.27
6. Step 6: Final answer
   x = 5,478.03