Finding the Fourth Proportional to 10,150.70, 15,215.67 and 5,758.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.70 : 15,215.67 = 5,758.88 : x
2. Step 2: Convert to fraction form
   10,150.70/15,215.67 = 5,758.88/x
3. Step 3: Cross multiply
   10,150.70x = 15,215.67 × 5,758.88
4. Step 4: Simplify right side
   10,150.70x = 87,625,141.57
5. Step 5: Solve for x
   x = 87,625,141.57/10,150.70
6. Step 6: Final answer
   x = 8,632.43