Finding the Fourth Proportional to 12,234.02, 18,338.59 and 4,828.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,234.02 : 18,338.59 = 4,828.30 : x
2. Step 2: Convert to fraction form
   12,234.02/18,338.59 = 4,828.30/x
3. Step 3: Cross multiply
   12,234.02x = 18,338.59 × 4,828.30
4. Step 4: Simplify right side
   12,234.02x = 88,544,214.10
5. Step 5: Solve for x
   x = 88,544,214.10/12,234.02
6. Step 6: Final answer
   x = 7,237.54