Finding the Fourth Proportional to 19,046.79, 28,559.25 and 17,946

Step by Step Solution

1. Step 1: Write the proportion equation
   19,046.79 : 28,559.25 = 17,946 : x
2. Step 2: Convert to fraction form
   19,046.79/28,559.25 = 17,946/x
3. Step 3: Cross multiply
   19,046.79x = 28,559.25 × 17,946
4. Step 4: Simplify right side
   19,046.79x = 512,524,300.50
5. Step 5: Solve for x
   x = 512,524,300.50/19,046.79
6. Step 6: Final answer
   x = 26,908.70