Finding the Fourth Proportional to 22,048.02, 30,427.83 and 12,487.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.02 : 30,427.83 = 12,487.86 : x
2. Step 2: Convert to fraction form
   22,048.02/30,427.83 = 12,487.86/x
3. Step 3: Cross multiply
   22,048.02x = 30,427.83 × 12,487.86
4. Step 4: Simplify right side
   22,048.02x = 379,978,481.14
5. Step 5: Solve for x
   x = 379,978,481.14/22,048.02
6. Step 6: Final answer
   x = 17,234.13