Finding the Fourth Proportional to 7,923.88, 10,935.57 and 4,387.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,923.88 : 10,935.57 = 4,387.42 : x
2. Step 2: Convert to fraction form
   7,923.88/10,935.57 = 4,387.42/x
3. Step 3: Cross multiply
   7,923.88x = 10,935.57 × 4,387.42
4. Step 4: Simplify right side
   7,923.88x = 47,978,938.53
5. Step 5: Solve for x
   x = 47,978,938.53/7,923.88
6. Step 6: Final answer
   x = 6,054.98