Finding the Fourth Proportional to 9,018.02, 12,445.50 and 5,874.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.02 : 12,445.50 = 5,874.21 : x
2. Step 2: Convert to fraction form
   9,018.02/12,445.50 = 5,874.21/x
3. Step 3: Cross multiply
   9,018.02x = 12,445.50 × 5,874.21
4. Step 4: Simplify right side
   9,018.02x = 73,107,480.56
5. Step 5: Solve for x
   x = 73,107,480.56/9,018.02
6. Step 6: Final answer
   x = 8,106.83