Finding the Fourth Proportional to 12,124.26, 16,725.83 and 7,875.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.26 : 16,725.83 = 7,875.02 : x
2. Step 2: Convert to fraction form
   12,124.26/16,725.83 = 7,875.02/x
3. Step 3: Cross multiply
   12,124.26x = 16,725.83 × 7,875.02
4. Step 4: Simplify right side
   12,124.26x = 131,716,245.77
5. Step 5: Solve for x
   x = 131,716,245.77/12,124.26
6. Step 6: Final answer
   x = 10,863.86