Finding the Fourth Proportional to 12,026.49, 18,040.05 and 5,699.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,026.49 : 18,040.05 = 5,699.89 : x
2. Step 2: Convert to fraction form
   12,026.49/18,040.05 = 5,699.89/x
3. Step 3: Cross multiply
   12,026.49x = 18,040.05 × 5,699.89
4. Step 4: Simplify right side
   12,026.49x = 102,826,300.59
5. Step 5: Solve for x
   x = 102,826,300.59/12,026.49
6. Step 6: Final answer
   x = 8,549.98