Finding the Fourth Proportional to 10,873.87, 16,283.12 and 7,164.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.87 : 16,283.12 = 7,164.86 : x
2. Step 2: Convert to fraction form
   10,873.87/16,283.12 = 7,164.86/x
3. Step 3: Cross multiply
   10,873.87x = 16,283.12 × 7,164.86
4. Step 4: Simplify right side
   10,873.87x = 116,666,275.16
5. Step 5: Solve for x
   x = 116,666,275.16/10,873.87
6. Step 6: Final answer
   x = 10,729.05