Finding the Fourth Proportional to 13,056.72, 18,018.36 and 7,468.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,056.72 : 18,018.36 = 7,468.08 : x
2. Step 2: Convert to fraction form
   13,056.72/18,018.36 = 7,468.08/x
3. Step 3: Cross multiply
   13,056.72x = 18,018.36 × 7,468.08
4. Step 4: Simplify right side
   13,056.72x = 134,562,553.95
5. Step 5: Solve for x
   x = 134,562,553.95/13,056.72
6. Step 6: Final answer
   x = 10,306.00