Finding the Fourth Proportional to 14,059.94, 19,402.72 and 7,772.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,059.94 : 19,402.72 = 7,772.31 : x
2. Step 2: Convert to fraction form
   14,059.94/19,402.72 = 7,772.31/x
3. Step 3: Cross multiply
   14,059.94x = 19,402.72 × 7,772.31
4. Step 4: Simplify right side
   14,059.94x = 150,803,954.68
5. Step 5: Solve for x
   x = 150,803,954.68/14,059.94
6. Step 6: Final answer
   x = 10,725.79