Finding the Fourth Proportional to 12,767.98, 19,151.89 and 4,976.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,767.98 : 19,151.89 = 4,976.79 : x
2. Step 2: Convert to fraction form
   12,767.98/19,151.89 = 4,976.79/x
3. Step 3: Cross multiply
   12,767.98x = 19,151.89 × 4,976.79
4. Step 4: Simplify right side
   12,767.98x = 95,314,986.10
5. Step 5: Solve for x
   x = 95,314,986.10/12,767.98
6. Step 6: Final answer
   x = 7,465.16