Finding the Fourth Proportional to 8,456.40, 12,667.59 and 4,753.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,456.40 : 12,667.59 = 4,753.08 : x
2. Step 2: Convert to fraction form
   8,456.40/12,667.59 = 4,753.08/x
3. Step 3: Cross multiply
   8,456.40x = 12,667.59 × 4,753.08
4. Step 4: Simplify right side
   8,456.40x = 60,210,068.68
5. Step 5: Solve for x
   x = 60,210,068.68/8,456.40
6. Step 6: Final answer
   x = 7,120.06