Finding the Fourth Proportional to 12,667.50, 17,482.23 and 7,079.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,667.50 : 17,482.23 = 7,079.58 : x
2. Step 2: Convert to fraction form
   12,667.50/17,482.23 = 7,079.58/x
3. Step 3: Cross multiply
   12,667.50x = 17,482.23 × 7,079.58
4. Step 4: Simplify right side
   12,667.50x = 123,766,845.86
5. Step 5: Solve for x
   x = 123,766,845.86/12,667.50
6. Step 6: Final answer
   x = 9,770.42