Finding the Fourth Proportional to 123,870.26, 170,941.65 and 73,568.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,870.26 : 170,941.65 = 73,568.18 : x
2. Step 2: Convert to fraction form
   123,870.26/170,941.65 = 73,568.18/x
3. Step 3: Cross multiply
   123,870.26x = 170,941.65 × 73,568.18
4. Step 4: Simplify right side
   123,870.26x = 12,575,866,076.70
5. Step 5: Solve for x
   x = 12,575,866,076.70/123,870.26
6. Step 6: Final answer
   x = 101,524.50