Finding the Fourth Proportional to 7,469.28, 10,307.53 and 4,112.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,469.28 : 10,307.53 = 4,112.05 : x
2. Step 2: Convert to fraction form
   7,469.28/10,307.53 = 4,112.05/x
3. Step 3: Cross multiply
   7,469.28x = 10,307.53 × 4,112.05
4. Step 4: Simplify right side
   7,469.28x = 42,385,078.74
5. Step 5: Solve for x
   x = 42,385,078.74/7,469.28
6. Step 6: Final answer
   x = 5,674.59