Finding the Fourth Proportional to 10,851.81, 14,989.56 and 7,488.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,851.81 : 14,989.56 = 7,488.69 : x
2. Step 2: Convert to fraction form
   10,851.81/14,989.56 = 7,488.69/x
3. Step 3: Cross multiply
   10,851.81x = 14,989.56 × 7,488.69
4. Step 4: Simplify right side
   10,851.81x = 112,252,083.78
5. Step 5: Solve for x
   x = 112,252,083.78/10,851.81
6. Step 6: Final answer
   x = 10,344.09