Finding the Fourth Proportional to 9,013.56, 12,372.52 and 7,996.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.56 : 12,372.52 = 7,996.62 : x
2. Step 2: Convert to fraction form
   9,013.56/12,372.52 = 7,996.62/x
3. Step 3: Cross multiply
   9,013.56x = 12,372.52 × 7,996.62
4. Step 4: Simplify right side
   9,013.56x = 98,938,340.88
5. Step 5: Solve for x
   x = 98,938,340.88/9,013.56
6. Step 6: Final answer
   x = 10,976.61