Finding the Fourth Proportional to 10,856.12, 14,976.41 and 7,503.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.12 : 14,976.41 = 7,503.59 : x
2. Step 2: Convert to fraction form
   10,856.12/14,976.41 = 7,503.59/x
3. Step 3: Cross multiply
   10,856.12x = 14,976.41 × 7,503.59
4. Step 4: Simplify right side
   10,856.12x = 112,376,727.91
5. Step 5: Solve for x
   x = 112,376,727.91/10,856.12
6. Step 6: Final answer
   x = 10,351.47