Finding the Fourth Proportional to 6,018.69, 9,026.61 and 1,636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,018.69 : 9,026.61 = 1,636.18 : x
2. Step 2: Convert to fraction form
   6,018.69/9,026.61 = 1,636.18/x
3. Step 3: Cross multiply
   6,018.69x = 9,026.61 × 1,636.18
4. Step 4: Simplify right side
   6,018.69x = 14,769,158.75
5. Step 5: Solve for x
   x = 14,769,158.75/6,018.69
6. Step 6: Final answer
   x = 2,453.88