Finding the Fourth Proportional to 8,456.45, 11,667.29 and 5,100.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,456.45 : 11,667.29 = 5,100.30 : x
2. Step 2: Convert to fraction form
   8,456.45/11,667.29 = 5,100.30/x
3. Step 3: Cross multiply
   8,456.45x = 11,667.29 × 5,100.30
4. Step 4: Simplify right side
   8,456.45x = 59,506,653.69
5. Step 5: Solve for x
   x = 59,506,653.69/8,456.45
6. Step 6: Final answer
   x = 7,036.84