Finding the Fourth Proportional to 14,059.69, 19,402.57 and 7,772.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.69 : 19,402.57 = 7,772.06 : x
2. Step 2: Convert to fraction form
   14,059.69/19,402.57 = 7,772.06/x
3. Step 3: Cross multiply
   14,059.69x = 19,402.57 × 7,772.06
4. Step 4: Simplify right side
   14,059.69x = 150,797,996.42
5. Step 5: Solve for x
   x = 150,797,996.42/14,059.69
6. Step 6: Final answer
   x = 10,725.56