Finding the Fourth Proportional to 12,212.75, 16,848.61 and 7,962.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,212.75 : 16,848.61 = 7,962.32 : x
2. Step 2: Convert to fraction form
   12,212.75/16,848.61 = 7,962.32/x
3. Step 3: Cross multiply
   12,212.75x = 16,848.61 × 7,962.32
4. Step 4: Simplify right side
   12,212.75x = 134,154,046.59
5. Step 5: Solve for x
   x = 134,154,046.59/12,212.75
6. Step 6: Final answer
   x = 10,984.75