Finding the Fourth Proportional to 4,696.72, 6,478.54 and 3,020.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,696.72 : 6,478.54 = 3,020.31 : x
2. Step 2: Convert to fraction form
   4,696.72/6,478.54 = 3,020.31/x
3. Step 3: Cross multiply
   4,696.72x = 6,478.54 × 3,020.31
4. Step 4: Simplify right side
   4,696.72x = 19,567,191.60
5. Step 5: Solve for x
   x = 19,567,191.60/4,696.72
6. Step 6: Final answer
   x = 4,166.14