Finding the Fourth Proportional to 12,253.31, 18,379.89 and 3,488.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,253.31 : 18,379.89 = 3,488.23 : x
2. Step 2: Convert to fraction form
   12,253.31/18,379.89 = 3,488.23/x
3. Step 3: Cross multiply
   12,253.31x = 18,379.89 × 3,488.23
4. Step 4: Simplify right side
   12,253.31x = 64,113,283.69
5. Step 5: Solve for x
   x = 64,113,283.69/12,253.31
6. Step 6: Final answer
   x = 5,232.32