Finding the Fourth Proportional to 10,726.14, 14,870.72 and 10,135.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.14 : 14,870.72 = 10,135.65 : x
2. Step 2: Convert to fraction form
   10,726.14/14,870.72 = 10,135.65/x
3. Step 3: Cross multiply
   10,726.14x = 14,870.72 × 10,135.65
4. Step 4: Simplify right side
   10,726.14x = 150,724,438.51
5. Step 5: Solve for x
   x = 150,724,438.51/10,726.14
6. Step 6: Final answer
   x = 14,052.07