Finding the Fourth Proportional to 9,629.60, 14,445.72 and 4,079.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,629.60 : 14,445.72 = 4,079.48 : x
2. Step 2: Convert to fraction form
   9,629.60/14,445.72 = 4,079.48/x
3. Step 3: Cross multiply
   9,629.60x = 14,445.72 × 4,079.48
4. Step 4: Simplify right side
   9,629.60x = 58,931,025.83
5. Step 5: Solve for x
   x = 58,931,025.83/9,629.60
6. Step 6: Final answer
   x = 6,119.78