Finding the Fourth Proportional to 10,726.72, 14,787.37 and 7,530.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.72 : 14,787.37 = 7,530.29 : x
2. Step 2: Convert to fraction form
   10,726.72/14,787.37 = 7,530.29/x
3. Step 3: Cross multiply
   10,726.72x = 14,787.37 × 7,530.29
4. Step 4: Simplify right side
   10,726.72x = 111,353,086.32
5. Step 5: Solve for x
   x = 111,353,086.32/10,726.72
6. Step 6: Final answer
   x = 10,380.90