Finding the Fourth Proportional to 12,927.72, 17,838.72 and 7,262.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,927.72 : 17,838.72 = 7,262.76 : x
2. Step 2: Convert to fraction form
   12,927.72/17,838.72 = 7,262.76/x
3. Step 3: Cross multiply
   12,927.72x = 17,838.72 × 7,262.76
4. Step 4: Simplify right side
   12,927.72x = 129,558,342.07
5. Step 5: Solve for x
   x = 129,558,342.07/12,927.72
6. Step 6: Final answer
   x = 10,021.75