Finding the Fourth Proportional to 10,891.56, 15,009.27 and 7,348.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.56 : 15,009.27 = 7,348.62 : x
2. Step 2: Convert to fraction form
   10,891.56/15,009.27 = 7,348.62/x
3. Step 3: Cross multiply
   10,891.56x = 15,009.27 × 7,348.62
4. Step 4: Simplify right side
   10,891.56x = 110,297,421.71
5. Step 5: Solve for x
   x = 110,297,421.71/10,891.56
6. Step 6: Final answer
   x = 10,126.87