Finding the Fourth Proportional to 8,040.15, 12,060.78 and 2,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,040.15 : 12,060.78 = 2,492.75 : x
2. Step 2: Convert to fraction form
   8,040.15/12,060.78 = 2,492.75/x
3. Step 3: Cross multiply
   8,040.15x = 12,060.78 × 2,492.75
4. Step 4: Simplify right side
   8,040.15x = 30,064,449.04
5. Step 5: Solve for x
   x = 30,064,449.04/8,040.15
6. Step 6: Final answer
   x = 3,739.29