Finding the Fourth Proportional to 8,019.40, 12,032.88 and 3,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.40 : 12,032.88 = 3,090.82 : x
2. Step 2: Convert to fraction form
   8,019.40/12,032.88 = 3,090.82/x
3. Step 3: Cross multiply
   8,019.40x = 12,032.88 × 3,090.82
4. Step 4: Simplify right side
   8,019.40x = 37,191,466.16
5. Step 5: Solve for x
   x = 37,191,466.16/8,019.40
6. Step 6: Final answer
   x = 4,637.69