Finding the Fourth Proportional to 12,765.06, 17,584.38 and 10,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.06 : 17,584.38 = 10,870.56 : x
2. Step 2: Convert to fraction form
   12,765.06/17,584.38 = 10,870.56/x
3. Step 3: Cross multiply
   12,765.06x = 17,584.38 × 10,870.56
4. Step 4: Simplify right side
   12,765.06x = 191,152,057.85
5. Step 5: Solve for x
   x = 191,152,057.85/12,765.06
6. Step 6: Final answer
   x = 14,974.63