Finding the Fourth Proportional to 13,025.31, 17,974.93 and 7,646.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,025.31 : 17,974.93 = 7,646.69 : x
2. Step 2: Convert to fraction form
   13,025.31/17,974.93 = 7,646.69/x
3. Step 3: Cross multiply
   13,025.31x = 17,974.93 × 7,646.69
4. Step 4: Simplify right side
   13,025.31x = 137,448,717.48
5. Step 5: Solve for x
   x = 137,448,717.48/13,025.31
6. Step 6: Final answer
   x = 10,552.44