Finding the Fourth Proportional to 13,260.98, 18,300.02 and 7,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,260.98 : 18,300.02 = 7,292.72 : x
2. Step 2: Convert to fraction form
   13,260.98/18,300.02 = 7,292.72/x
3. Step 3: Cross multiply
   13,260.98x = 18,300.02 × 7,292.72
4. Step 4: Simplify right side
   13,260.98x = 133,456,921.85
5. Step 5: Solve for x
   x = 133,456,921.85/13,260.98
6. Step 6: Final answer
   x = 10,063.88