Finding the Fourth Proportional to 13,216.52, 18,237.89 and 7,248.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,216.52 : 18,237.89 = 7,248.06 : x
2. Step 2: Convert to fraction form
   13,216.52/18,237.89 = 7,248.06/x
3. Step 3: Cross multiply
   13,216.52x = 18,237.89 × 7,248.06
4. Step 4: Simplify right side
   13,216.52x = 132,189,339.11
5. Step 5: Solve for x
   x = 132,189,339.11/13,216.52
6. Step 6: Final answer
   x = 10,001.82