Finding the Fourth Proportional to 10,956.48, 16,430.88 and 4,797.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,956.48 : 16,430.88 = 4,797.12 : x
2. Step 2: Convert to fraction form
   10,956.48/16,430.88 = 4,797.12/x
3. Step 3: Cross multiply
   10,956.48x = 16,430.88 × 4,797.12
4. Step 4: Simplify right side
   10,956.48x = 78,820,903.07
5. Step 5: Solve for x
   x = 78,820,903.07/10,956.48
6. Step 6: Final answer
   x = 7,194.00