Finding the Fourth Proportional to 12,209.06, 16,848.72 and 6,903.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,209.06 : 16,848.72 = 6,903.88 : x
2. Step 2: Convert to fraction form
   12,209.06/16,848.72 = 6,903.88/x
3. Step 3: Cross multiply
   12,209.06x = 16,848.72 × 6,903.88
4. Step 4: Simplify right side
   12,209.06x = 116,321,498.91
5. Step 5: Solve for x
   x = 116,321,498.91/12,209.06
6. Step 6: Final answer
   x = 9,527.47