Finding the Fourth Proportional to 19,300.27, 28,946.96 and 10,411.46

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.27 : 28,946.96 = 10,411.46 : x
2. Step 2: Convert to fraction form
   19,300.27/28,946.96 = 10,411.46/x
3. Step 3: Cross multiply
   19,300.27x = 28,946.96 × 10,411.46
4. Step 4: Simplify right side
   19,300.27x = 301,380,064.10
5. Step 5: Solve for x
   x = 301,380,064.10/19,300.27
6. Step 6: Final answer
   x = 15,615.33