Finding the Fourth Proportional to 10,301.76, 15,462.72 and 7,343.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,301.76 : 15,462.72 = 7,343.40 : x
2. Step 2: Convert to fraction form
   10,301.76/15,462.72 = 7,343.40/x
3. Step 3: Cross multiply
   10,301.76x = 15,462.72 × 7,343.40
4. Step 4: Simplify right side
   10,301.76x = 113,548,938.05
5. Step 5: Solve for x
   x = 113,548,938.05/10,301.76
6. Step 6: Final answer
   x = 11,022.29