Finding the Fourth Proportional to 10,043.76, 15,065.55 and 5,912.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,043.76 : 15,065.55 = 5,912.49 : x
2. Step 2: Convert to fraction form
   10,043.76/15,065.55 = 5,912.49/x
3. Step 3: Cross multiply
   10,043.76x = 15,065.55 × 5,912.49
4. Step 4: Simplify right side
   10,043.76x = 89,074,913.72
5. Step 5: Solve for x
   x = 89,074,913.72/10,043.76
6. Step 6: Final answer
   x = 8,868.68