Finding the Fourth Proportional to 10,291.62, 15,444.72 and 7,372.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,291.62 : 15,444.72 = 7,372.38 : x
2. Step 2: Convert to fraction form
   10,291.62/15,444.72 = 7,372.38/x
3. Step 3: Cross multiply
   10,291.62x = 15,444.72 × 7,372.38
4. Step 4: Simplify right side
   10,291.62x = 113,864,344.83
5. Step 5: Solve for x
   x = 113,864,344.83/10,291.62
6. Step 6: Final answer
   x = 11,063.79