Finding the Fourth Proportional to 12,495.89, 17,241.50 and 7,459.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,495.89 : 17,241.50 = 7,459.11 : x
2. Step 2: Convert to fraction form
   12,495.89/17,241.50 = 7,459.11/x
3. Step 3: Cross multiply
   12,495.89x = 17,241.50 × 7,459.11
4. Step 4: Simplify right side
   12,495.89x = 128,606,207.77
5. Step 5: Solve for x
   x = 128,606,207.77/12,495.89
6. Step 6: Final answer
   x = 10,291.88