Finding the Fourth Proportional to 9,778.78, 14,676.27 and 4,849.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,778.78 : 14,676.27 = 4,849.93 : x
2. Step 2: Convert to fraction form
   9,778.78/14,676.27 = 4,849.93/x
3. Step 3: Cross multiply
   9,778.78x = 14,676.27 × 4,849.93
4. Step 4: Simplify right side
   9,778.78x = 71,178,882.16
5. Step 5: Solve for x
   x = 71,178,882.16/9,778.78
6. Step 6: Final answer
   x = 7,278.91