Finding the Fourth Proportional to 7,468.72, 10,306.78 and 4,111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,468.72 : 10,306.78 = 4,111.84 : x
2. Step 2: Convert to fraction form
   7,468.72/10,306.78 = 4,111.84/x
3. Step 3: Cross multiply
   7,468.72x = 10,306.78 × 4,111.84
4. Step 4: Simplify right side
   7,468.72x = 42,379,830.28
5. Step 5: Solve for x
   x = 42,379,830.28/7,468.72
6. Step 6: Final answer
   x = 5,674.31