Finding the Fourth Proportional to 8,026.56, 12,026.88 and 3,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,026.56 : 12,026.88 = 3,090.42 : x
2. Step 2: Convert to fraction form
   8,026.56/12,026.88 = 3,090.42/x
3. Step 3: Cross multiply
   8,026.56x = 12,026.88 × 3,090.42
4. Step 4: Simplify right side
   8,026.56x = 37,168,110.49
5. Step 5: Solve for x
   x = 37,168,110.49/8,026.56
6. Step 6: Final answer
   x = 4,630.64