Finding the Fourth Proportional to 7,470, 10,311.42 and 5,872.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470 : 10,311.42 = 5,872.48 : x
2. Step 2: Convert to fraction form
   7,470/10,311.42 = 5,872.48/x
3. Step 3: Cross multiply
   7,470x = 10,311.42 × 5,872.48
4. Step 4: Simplify right side
   7,470x = 60,553,607.72
5. Step 5: Solve for x
   x = 60,553,607.72/7,470
6. Step 6: Final answer
   x = 8,106.24