Finding the Fourth Proportional to 16,839.72, 25,239.15 and 7,459.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,839.72 : 25,239.15 = 7,459.56 : x
2. Step 2: Convert to fraction form
   16,839.72/25,239.15 = 7,459.56/x
3. Step 3: Cross multiply
   16,839.72x = 25,239.15 × 7,459.56
4. Step 4: Simplify right side
   16,839.72x = 188,272,953.77
5. Step 5: Solve for x
   x = 188,272,953.77/16,839.72
6. Step 6: Final answer
   x = 11,180.29