Finding the Fourth Proportional to 19,096.16, 28,660.64 and 10,784.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,096.16 : 28,660.64 = 10,784.34 : x
2. Step 2: Convert to fraction form
   19,096.16/28,660.64 = 10,784.34/x
3. Step 3: Cross multiply
   19,096.16x = 28,660.64 × 10,784.34
4. Step 4: Simplify right side
   19,096.16x = 309,086,032.46
5. Step 5: Solve for x
   x = 309,086,032.46/19,096.16
6. Step 6: Final answer
   x = 16,185.77