Finding the Fourth Proportional to 9,757.79, 14,623.91 and 3,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.79 : 14,623.91 = 3,918.50 : x
2. Step 2: Convert to fraction form
   9,757.79/14,623.91 = 3,918.50/x
3. Step 3: Cross multiply
   9,757.79x = 14,623.91 × 3,918.50
4. Step 4: Simplify right side
   9,757.79x = 57,303,791.34
5. Step 5: Solve for x
   x = 57,303,791.34/9,757.79
6. Step 6: Final answer
   x = 5,872.62