Finding the Fourth Proportional to 19,307.78, 28,941.82 and 10,969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,307.78 : 28,941.82 = 10,969.98 : x
2. Step 2: Convert to fraction form
   19,307.78/28,941.82 = 10,969.98/x
3. Step 3: Cross multiply
   19,307.78x = 28,941.82 × 10,969.98
4. Step 4: Simplify right side
   19,307.78x = 317,491,186.56
5. Step 5: Solve for x
   x = 317,491,186.56/19,307.78
6. Step 6: Final answer
   x = 16,443.69