Finding the Fourth Proportional to 10,954.17, 16,426.89 and 4,716.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,954.17 : 16,426.89 = 4,716.99 : x
2. Step 2: Convert to fraction form
   10,954.17/16,426.89 = 4,716.99/x
3. Step 3: Cross multiply
   10,954.17x = 16,426.89 × 4,716.99
4. Step 4: Simplify right side
   10,954.17x = 77,485,475.86
5. Step 5: Solve for x
   x = 77,485,475.86/10,954.17
6. Step 6: Final answer
   x = 7,073.61