Finding the Fourth Proportional to 4,940.56, 7,404.64 and 4,888.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,940.56 : 7,404.64 = 4,888.48 : x
2. Step 2: Convert to fraction form
   4,940.56/7,404.64 = 4,888.48/x
3. Step 3: Cross multiply
   4,940.56x = 7,404.64 × 4,888.48
4. Step 4: Simplify right side
   4,940.56x = 36,197,434.55
5. Step 5: Solve for x
   x = 36,197,434.55/4,940.56
6. Step 6: Final answer
   x = 7,326.59