Finding the Fourth Proportional to 123,568.47, 170,524.71 and 66,979.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,568.47 : 170,524.71 = 66,979.98 : x
2. Step 2: Convert to fraction form
   123,568.47/170,524.71 = 66,979.98/x
3. Step 3: Cross multiply
   123,568.47x = 170,524.71 × 66,979.98
4. Step 4: Simplify right side
   123,568.47x = 11,421,741,665.31
5. Step 5: Solve for x
   x = 11,421,741,665.31/123,568.47
6. Step 6: Final answer
   x = 92,432.49