Finding the Fourth Proportional to 11,963.47, 17,946.43 and 4,574.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,963.47 : 17,946.43 = 4,574.15 : x
2. Step 2: Convert to fraction form
   11,963.47/17,946.43 = 4,574.15/x
3. Step 3: Cross multiply
   11,963.47x = 17,946.43 × 4,574.15
4. Step 4: Simplify right side
   11,963.47x = 82,089,662.78
5. Step 5: Solve for x
   x = 82,089,662.78/11,963.47
6. Step 6: Final answer
   x = 6,861.69