Finding the Fourth Proportional to 10,510.65, 14,510.61 and 6,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.65 : 14,510.61 = 6,978.69 : x
2. Step 2: Convert to fraction form
   10,510.65/14,510.61 = 6,978.69/x
3. Step 3: Cross multiply
   10,510.65x = 14,510.61 × 6,978.69
4. Step 4: Simplify right side
   10,510.65x = 101,265,048.90
5. Step 5: Solve for x
   x = 101,265,048.90/10,510.65
6. Step 6: Final answer
   x = 9,634.52