Finding the Fourth Proportional to 10,954.50, 15,130.17 and 7,411.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,954.50 : 15,130.17 = 7,411.56 : x
2. Step 2: Convert to fraction form
   10,954.50/15,130.17 = 7,411.56/x
3. Step 3: Cross multiply
   10,954.50x = 15,130.17 × 7,411.56
4. Step 4: Simplify right side
   10,954.50x = 112,138,162.77
5. Step 5: Solve for x
   x = 112,138,162.77/10,954.50
6. Step 6: Final answer
   x = 10,236.72