Finding the Fourth Proportional to 10,510.07, 14,509.83 and 6,978.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.07 : 14,509.83 = 6,978.11 : x
2. Step 2: Convert to fraction form
   10,510.07/14,509.83 = 6,978.11/x
3. Step 3: Cross multiply
   10,510.07x = 14,509.83 × 6,978.11
4. Step 4: Simplify right side
   10,510.07x = 101,251,117.27
5. Step 5: Solve for x
   x = 101,251,117.27/10,510.07
6. Step 6: Final answer
   x = 9,633.73