Finding the Fourth Proportional to 13,112.16, 19,667.97 and 3,251.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.16 : 19,667.97 = 3,251.33 : x
2. Step 2: Convert to fraction form
   13,112.16/19,667.97 = 3,251.33/x
3. Step 3: Cross multiply
   13,112.16x = 19,667.97 × 3,251.33
4. Step 4: Simplify right side
   13,112.16x = 63,946,962.56
5. Step 5: Solve for x
   x = 63,946,962.56/13,112.16
6. Step 6: Final answer
   x = 4,876.92