Finding the Fourth Proportional to 14,059.76, 19,402.86 and 7,772.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.76 : 19,402.86 = 7,772.54 : x
2. Step 2: Convert to fraction form
   14,059.76/19,402.86 = 7,772.54/x
3. Step 3: Cross multiply
   14,059.76x = 19,402.86 × 7,772.54
4. Step 4: Simplify right side
   14,059.76x = 150,809,505.46
5. Step 5: Solve for x
   x = 150,809,505.46/14,059.76
6. Step 6: Final answer
   x = 10,726.32