Finding the Fourth Proportional to 123,868.26, 170,938.89 and 73,566.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,868.26 : 170,938.89 = 73,566.18 : x
2. Step 2: Convert to fraction form
   123,868.26/170,938.89 = 73,566.18/x
3. Step 3: Cross multiply
   123,868.26x = 170,938.89 × 73,566.18
4. Step 4: Simplify right side
   123,868.26x = 12,575,321,150.74
5. Step 5: Solve for x
   x = 12,575,321,150.74/123,868.26
6. Step 6: Final answer
   x = 101,521.74