Finding the Fourth Proportional to 10,954.22, 16,426.38 and 5,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,954.22 : 16,426.38 = 5,112.50 : x
2. Step 2: Convert to fraction form
   10,954.22/16,426.38 = 5,112.50/x
3. Step 3: Cross multiply
   10,954.22x = 16,426.38 × 5,112.50
4. Step 4: Simplify right side
   10,954.22x = 83,979,867.75
5. Step 5: Solve for x
   x = 83,979,867.75/10,954.22
6. Step 6: Final answer
   x = 7,666.44