Finding the Fourth Proportional to 9,757.18, 14,638.50 and 3,917.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.18 : 14,638.50 = 3,917.89 : x
2. Step 2: Convert to fraction form
   9,757.18/14,638.50 = 3,917.89/x
3. Step 3: Cross multiply
   9,757.18x = 14,638.50 × 3,917.89
4. Step 4: Simplify right side
   9,757.18x = 57,352,032.77
5. Step 5: Solve for x
   x = 57,352,032.77/9,757.18
6. Step 6: Final answer
   x = 5,877.93