Finding the Fourth Proportional to 12,018.83, 18,029.68 and 5,003.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,018.83 : 18,029.68 = 5,003.57 : x
2. Step 2: Convert to fraction form
   12,018.83/18,029.68 = 5,003.57/x
3. Step 3: Cross multiply
   12,018.83x = 18,029.68 × 5,003.57
4. Step 4: Simplify right side
   12,018.83x = 90,212,798.52
5. Step 5: Solve for x
   x = 90,212,798.52/12,018.83
6. Step 6: Final answer
   x = 7,505.96