Finding the Fourth Proportional to 13,757.58, 18,985.49 and 7,469.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,757.58 : 18,985.49 = 7,469.96 : x
2. Step 2: Convert to fraction form
   13,757.58/18,985.49 = 7,469.96/x
3. Step 3: Cross multiply
   13,757.58x = 18,985.49 × 7,469.96
4. Step 4: Simplify right side
   13,757.58x = 141,820,718.60
5. Step 5: Solve for x
   x = 141,820,718.60/13,757.58
6. Step 6: Final answer
   x = 10,308.55