Finding the Fourth Proportional to 22,128.86, 30,537.84 and 12,192.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,128.86 : 30,537.84 = 12,192.86 : x
2. Step 2: Convert to fraction form
   22,128.86/30,537.84 = 12,192.86/x
3. Step 3: Cross multiply
   22,128.86x = 30,537.84 × 12,192.86
4. Step 4: Simplify right side
   22,128.86x = 372,343,607.82
5. Step 5: Solve for x
   x = 372,343,607.82/22,128.86
6. Step 6: Final answer
   x = 16,826.15