Finding the Fourth Proportional to 12,456.81, 17,179.82 and 10,525.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.81 : 17,179.82 = 10,525.98 : x
2. Step 2: Convert to fraction form
   12,456.81/17,179.82 = 10,525.98/x
3. Step 3: Cross multiply
   12,456.81x = 17,179.82 × 10,525.98
4. Step 4: Simplify right side
   12,456.81x = 180,834,399.84
5. Step 5: Solve for x
   x = 180,834,399.84/12,456.81
6. Step 6: Final answer
   x = 14,516.91