Finding the Fourth Proportional to 11,772.35, 16,239.04 and 7,053.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,772.35 : 16,239.04 = 7,053.89 : x
2. Step 2: Convert to fraction form
   11,772.35/16,239.04 = 7,053.89/x
3. Step 3: Cross multiply
   11,772.35x = 16,239.04 × 7,053.89
4. Step 4: Simplify right side
   11,772.35x = 114,548,401.87
5. Step 5: Solve for x
   x = 114,548,401.87/11,772.35
6. Step 6: Final answer
   x = 9,730.29