Finding the Fourth Proportional to 8,018.86, 12,030.11 and 3,637.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.86 : 12,030.11 = 3,637.57 : x
2. Step 2: Convert to fraction form
   8,018.86/12,030.11 = 3,637.57/x
3. Step 3: Cross multiply
   8,018.86x = 12,030.11 × 3,637.57
4. Step 4: Simplify right side
   8,018.86x = 43,760,288.89
5. Step 5: Solve for x
   x = 43,760,288.89/8,018.86
6. Step 6: Final answer
   x = 5,457.17