Finding the Fourth Proportional to 9,757.31, 14,638.69 and 3,918.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.31 : 14,638.69 = 3,918.02 : x
2. Step 2: Convert to fraction form
   9,757.31/14,638.69 = 3,918.02/x
3. Step 3: Cross multiply
   9,757.31x = 14,638.69 × 3,918.02
4. Step 4: Simplify right side
   9,757.31x = 57,354,611.90
5. Step 5: Solve for x
   x = 57,354,611.90/9,757.31
6. Step 6: Final answer
   x = 5,878.12