Finding the Fourth Proportional to 13,298.06, 18,351.24 and 7,248.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.06 : 18,351.24 = 7,248.30 : x
2. Step 2: Convert to fraction form
   13,298.06/18,351.24 = 7,248.30/x
3. Step 3: Cross multiply
   13,298.06x = 18,351.24 × 7,248.30
4. Step 4: Simplify right side
   13,298.06x = 133,015,292.89
5. Step 5: Solve for x
   x = 133,015,292.89/13,298.06
6. Step 6: Final answer
   x = 10,002.61