Finding the Fourth Proportional to 9,946.24, 14,916.72 and 3,020.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.24 : 14,916.72 = 3,020.80 : x
2. Step 2: Convert to fraction form
   9,946.24/14,916.72 = 3,020.80/x
3. Step 3: Cross multiply
   9,946.24x = 14,916.72 × 3,020.80
4. Step 4: Simplify right side
   9,946.24x = 45,060,427.78
5. Step 5: Solve for x
   x = 45,060,427.78/9,946.24
6. Step 6: Final answer
   x = 4,530.40