Finding the Fourth Proportional to 12,691.69, 19,037.23 and 5,295.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,691.69 : 19,037.23 = 5,295.98 : x
2. Step 2: Convert to fraction form
   12,691.69/19,037.23 = 5,295.98/x
3. Step 3: Cross multiply
   12,691.69x = 19,037.23 × 5,295.98
4. Step 4: Simplify right side
   12,691.69x = 100,820,823.69
5. Step 5: Solve for x
   x = 100,820,823.69/12,691.69
6. Step 6: Final answer
   x = 7,943.85