Finding the Fourth Proportional to 11,331.50, 16,995.89 and 3,012.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,331.50 : 16,995.89 = 3,012.12 : x
2. Step 2: Convert to fraction form
   11,331.50/16,995.89 = 3,012.12/x
3. Step 3: Cross multiply
   11,331.50x = 16,995.89 × 3,012.12
4. Step 4: Simplify right side
   11,331.50x = 51,193,667.72
5. Step 5: Solve for x
   x = 51,193,667.72/11,331.50
6. Step 6: Final answer
   x = 4,517.82