Finding the Fourth Proportional to 10,835.30, 16,258.94 and 5,288.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,835.30 : 16,258.94 = 5,288.69 : x
2. Step 2: Convert to fraction form
   10,835.30/16,258.94 = 5,288.69/x
3. Step 3: Cross multiply
   10,835.30x = 16,258.94 × 5,288.69
4. Step 4: Simplify right side
   10,835.30x = 85,988,385.65
5. Step 5: Solve for x
   x = 85,988,385.65/10,835.30
6. Step 6: Final answer
   x = 7,935.95