Finding the Fourth Proportional to 12,667.88, 19,003.08 and 10,349.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.88 : 19,003.08 = 10,349.84 : x
2. Step 2: Convert to fraction form
   12,667.88/19,003.08 = 10,349.84/x
3. Step 3: Cross multiply
   12,667.88x = 19,003.08 × 10,349.84
4. Step 4: Simplify right side
   12,667.88x = 196,678,837.51
5. Step 5: Solve for x
   x = 196,678,837.51/12,667.88
6. Step 6: Final answer
   x = 15,525.79