Finding the Fourth Proportional to 12,797.88, 19,185.42 and 5,012.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,797.88 : 19,185.42 = 5,012.12 : x
2. Step 2: Convert to fraction form
   12,797.88/19,185.42 = 5,012.12/x
3. Step 3: Cross multiply
   12,797.88x = 19,185.42 × 5,012.12
4. Step 4: Simplify right side
   12,797.88x = 96,159,627.29
5. Step 5: Solve for x
   x = 96,159,627.29/12,797.88
6. Step 6: Final answer
   x = 7,513.72