Finding the Fourth Proportional to 8,040.96, 12,061.40 and 3,112.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.96 : 12,061.40 = 3,112.92 : x
2. Step 2: Convert to fraction form
   8,040.96/12,061.40 = 3,112.92/x
3. Step 3: Cross multiply
   8,040.96x = 12,061.40 × 3,112.92
4. Step 4: Simplify right side
   8,040.96x = 37,546,173.29
5. Step 5: Solve for x
   x = 37,546,173.29/8,040.96
6. Step 6: Final answer
   x = 4,669.36