Finding the Fourth Proportional to 7,463.50, 11,172.54 and 4,978.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,463.50 : 11,172.54 = 4,978.42 : x
2. Step 2: Convert to fraction form
   7,463.50/11,172.54 = 4,978.42/x
3. Step 3: Cross multiply
   7,463.50x = 11,172.54 × 4,978.42
4. Step 4: Simplify right side
   7,463.50x = 55,621,596.59
5. Step 5: Solve for x
   x = 55,621,596.59/7,463.50
6. Step 6: Final answer
   x = 7,452.48