Finding the Fourth Proportional to 10,681.37, 16,022.15 and 7,006.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,681.37 : 16,022.15 = 7,006.91 : x
2. Step 2: Convert to fraction form
   10,681.37/16,022.15 = 7,006.91/x
3. Step 3: Cross multiply
   10,681.37x = 16,022.15 × 7,006.91
4. Step 4: Simplify right side
   10,681.37x = 112,265,713.60
5. Step 5: Solve for x
   x = 112,265,713.60/10,681.37
6. Step 6: Final answer
   x = 10,510.42