Finding the Fourth Proportional to 11,938.35, 16,469.82 and 7,459.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.35 : 16,469.82 = 7,459.05 : x
2. Step 2: Convert to fraction form
   11,938.35/16,469.82 = 7,459.05/x
3. Step 3: Cross multiply
   11,938.35x = 16,469.82 × 7,459.05
4. Step 4: Simplify right side
   11,938.35x = 122,849,210.87
5. Step 5: Solve for x
   x = 122,849,210.87/11,938.35
6. Step 6: Final answer
   x = 10,290.30