Finding the Fourth Proportional to 4,903.78, 7,354.89 and 4,076.16

Step by Step Solution

1. Step 1: Write the proportion equation
   4,903.78 : 7,354.89 = 4,076.16 : x
2. Step 2: Convert to fraction form
   4,903.78/7,354.89 = 4,076.16/x
3. Step 3: Cross multiply
   4,903.78x = 7,354.89 × 4,076.16
4. Step 4: Simplify right side
   4,903.78x = 29,979,651.27
5. Step 5: Solve for x
   x = 29,979,651.27/4,903.78
6. Step 6: Final answer
   x = 6,113.59