Finding the Fourth Proportional to 8,598.38, 12,875.66 and 5,667.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,598.38 : 12,875.66 = 5,667.80 : x
2. Step 2: Convert to fraction form
   8,598.38/12,875.66 = 5,667.80/x
3. Step 3: Cross multiply
   8,598.38x = 12,875.66 × 5,667.80
4. Step 4: Simplify right side
   8,598.38x = 72,976,665.75
5. Step 5: Solve for x
   x = 72,976,665.75/8,598.38
6. Step 6: Final answer
   x = 8,487.26