Finding the Fourth Proportional to 12,128.16, 16,694.16 and 10,848.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,128.16 : 16,694.16 = 10,848.84 : x
2. Step 2: Convert to fraction form
   12,128.16/16,694.16 = 10,848.84/x
3. Step 3: Cross multiply
   12,128.16x = 16,694.16 × 10,848.84
4. Step 4: Simplify right side
   12,128.16x = 181,112,270.77
5. Step 5: Solve for x
   x = 181,112,270.77/12,128.16
6. Step 6: Final answer
   x = 14,933.20