Finding the Fourth Proportional to 14,043.75, 21,081.83 and 7,132.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,043.75 : 21,081.83 = 7,132.83 : x
2. Step 2: Convert to fraction form
   14,043.75/21,081.83 = 7,132.83/x
3. Step 3: Cross multiply
   14,043.75x = 21,081.83 × 7,132.83
4. Step 4: Simplify right side
   14,043.75x = 150,373,073.81
5. Step 5: Solve for x
   x = 150,373,073.81/14,043.75
6. Step 6: Final answer
   x = 10,707.47