Finding the Fourth Proportional to 12,013.34, 18,019.96 and 3,248.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.34 : 18,019.96 = 3,248.25 : x
2. Step 2: Convert to fraction form
   12,013.34/18,019.96 = 3,248.25/x
3. Step 3: Cross multiply
   12,013.34x = 18,019.96 × 3,248.25
4. Step 4: Simplify right side
   12,013.34x = 58,533,343.19
5. Step 5: Solve for x
   x = 58,533,343.19/12,013.34
6. Step 6: Final answer
   x = 4,872.36