Finding the Fourth Proportional to 9,118.86, 13,679.10 and 3,923.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.86 : 13,679.10 = 3,923.52 : x
2. Step 2: Convert to fraction form
   9,118.86/13,679.10 = 3,923.52/x
3. Step 3: Cross multiply
   9,118.86x = 13,679.10 × 3,923.52
4. Step 4: Simplify right side
   9,118.86x = 53,670,222.43
5. Step 5: Solve for x
   x = 53,670,222.43/9,118.86
6. Step 6: Final answer
   x = 5,885.63