Finding the Fourth Proportional to 12,667.37, 19,007.91 and 5,276.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.37 : 19,007.91 = 5,276.93 : x
2. Step 2: Convert to fraction form
   12,667.37/19,007.91 = 5,276.93/x
3. Step 3: Cross multiply
   12,667.37x = 19,007.91 × 5,276.93
4. Step 4: Simplify right side
   12,667.37x = 100,303,410.52
5. Step 5: Solve for x
   x = 100,303,410.52/12,667.37
6. Step 6: Final answer
   x = 7,918.25