Finding the Fourth Proportional to 3,946.93, 5,470.29 and 3,873.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.93 : 5,470.29 = 3,873.12 : x
2. Step 2: Convert to fraction form
   3,946.93/5,470.29 = 3,873.12/x
3. Step 3: Cross multiply
   3,946.93x = 5,470.29 × 3,873.12
4. Step 4: Simplify right side
   3,946.93x = 21,187,089.60
5. Step 5: Solve for x
   x = 21,187,089.60/3,946.93
6. Step 6: Final answer
   x = 5,368.00