Finding the Fourth Proportional to 9,630.30, 14,426.76 and 5,457.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630.30 : 14,426.76 = 5,457.48 : x
2. Step 2: Convert to fraction form
   9,630.30/14,426.76 = 5,457.48/x
3. Step 3: Cross multiply
   9,630.30x = 14,426.76 × 5,457.48
4. Step 4: Simplify right side
   9,630.30x = 78,733,754.16
5. Step 5: Solve for x
   x = 78,733,754.16/9,630.30
6. Step 6: Final answer
   x = 8,175.63