Finding the Fourth Proportional to 19,771.38, 29,668.78 and 7,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,771.38 : 29,668.78 = 7,300.10 : x
2. Step 2: Convert to fraction form
   19,771.38/29,668.78 = 7,300.10/x
3. Step 3: Cross multiply
   19,771.38x = 29,668.78 × 7,300.10
4. Step 4: Simplify right side
   19,771.38x = 216,585,060.88
5. Step 5: Solve for x
   x = 216,585,060.88/19,771.38
6. Step 6: Final answer
   x = 10,954.47