Finding the Fourth Proportional to 7,468.88, 10,306.80 and 4,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,468.88 : 10,306.80 = 4,111.76 : x
2. Step 2: Convert to fraction form
   7,468.88/10,306.80 = 4,111.76/x
3. Step 3: Cross multiply
   7,468.88x = 10,306.80 × 4,111.76
4. Step 4: Simplify right side
   7,468.88x = 42,379,087.97
5. Step 5: Solve for x
   x = 42,379,087.97/7,468.88
6. Step 6: Final answer
   x = 5,674.09