Finding the Fourth Proportional to 10,875.39, 15,007.46 and 6,159.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.39 : 15,007.46 = 6,159.57 : x
2. Step 2: Convert to fraction form
   10,875.39/15,007.46 = 6,159.57/x
3. Step 3: Cross multiply
   10,875.39x = 15,007.46 × 6,159.57
4. Step 4: Simplify right side
   10,875.39x = 92,439,469.59
5. Step 5: Solve for x
   x = 92,439,469.59/10,875.39
6. Step 6: Final answer
   x = 8,499.88