Finding the Fourth Proportional to 12,935.94, 19,407.48 and 5,150.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,935.94 : 19,407.48 = 5,150.22 : x
2. Step 2: Convert to fraction form
   12,935.94/19,407.48 = 5,150.22/x
3. Step 3: Cross multiply
   12,935.94x = 19,407.48 × 5,150.22
4. Step 4: Simplify right side
   12,935.94x = 99,952,791.65
5. Step 5: Solve for x
   x = 99,952,791.65/12,935.94
6. Step 6: Final answer
   x = 7,726.75