Finding the Fourth Proportional to 12,026.70, 18,040.59 and 4,628.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,026.70 : 18,040.59 = 4,628.52 : x
2. Step 2: Convert to fraction form
   12,026.70/18,040.59 = 4,628.52/x
3. Step 3: Cross multiply
   12,026.70x = 18,040.59 × 4,628.52
4. Step 4: Simplify right side
   12,026.70x = 83,501,231.63
5. Step 5: Solve for x
   x = 83,501,231.63/12,026.70
6. Step 6: Final answer
   x = 6,942.99