Finding the Fourth Proportional to 10,976.59, 15,140.83 and 7,199.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.59 : 15,140.83 = 7,199.97 : x
2. Step 2: Convert to fraction form
   10,976.59/15,140.83 = 7,199.97/x
3. Step 3: Cross multiply
   10,976.59x = 15,140.83 × 7,199.97
4. Step 4: Simplify right side
   10,976.59x = 109,013,521.78
5. Step 5: Solve for x
   x = 109,013,521.78/10,976.59
6. Step 6: Final answer
   x = 9,931.46