Finding the Fourth Proportional to 12,039.55, 16,614.82 and 7,259.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.55 : 16,614.82 = 7,259.47 : x
2. Step 2: Convert to fraction form
   12,039.55/16,614.82 = 7,259.47/x
3. Step 3: Cross multiply
   12,039.55x = 16,614.82 × 7,259.47
4. Step 4: Simplify right side
   12,039.55x = 120,614,848.34
5. Step 5: Solve for x
   x = 120,614,848.34/12,039.55
6. Step 6: Final answer
   x = 10,018.22