Finding the Fourth Proportional to 12,012.52, 18,019.47 and 3,248.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.52 : 18,019.47 = 3,248.14 : x
2. Step 2: Convert to fraction form
   12,012.52/18,019.47 = 3,248.14/x
3. Step 3: Cross multiply
   12,012.52x = 18,019.47 × 3,248.14
4. Step 4: Simplify right side
   12,012.52x = 58,529,761.29
5. Step 5: Solve for x
   x = 58,529,761.29/12,012.52
6. Step 6: Final answer
   x = 4,872.40