Finding the Fourth Proportional to 10,772.58, 16,141.56 and 7,072

Step by Step Solution

1. Step 1: Write the proportion equation
   10,772.58 : 16,141.56 = 7,072 : x
2. Step 2: Convert to fraction form
   10,772.58/16,141.56 = 7,072/x
3. Step 3: Cross multiply
   10,772.58x = 16,141.56 × 7,072
4. Step 4: Simplify right side
   10,772.58x = 114,153,112.32
5. Step 5: Solve for x
   x = 114,153,112.32/10,772.58
6. Step 6: Final answer
   x = 10,596.64