Finding the Fourth Proportional to 19,369.35, 28,980.69 and 11,476.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,369.35 : 28,980.69 = 11,476.10 : x
2. Step 2: Convert to fraction form
   19,369.35/28,980.69 = 11,476.10/x
3. Step 3: Cross multiply
   19,369.35x = 28,980.69 × 11,476.10
4. Step 4: Simplify right side
   19,369.35x = 332,585,151.61
5. Step 5: Solve for x
   x = 332,585,151.61/19,369.35
6. Step 6: Final answer
   x = 17,170.69