Finding the Fourth Proportional to 123,488.67, 170,422.24 and 75,735.53

Step by Step Solution

1. Step 1: Write the proportion equation
   123,488.67 : 170,422.24 = 75,735.53 : x
2. Step 2: Convert to fraction form
   123,488.67/170,422.24 = 75,735.53/x
3. Step 3: Cross multiply
   123,488.67x = 170,422.24 × 75,735.53
4. Step 4: Simplify right side
   123,488.67x = 12,907,018,670.19
5. Step 5: Solve for x
   x = 12,907,018,670.19/123,488.67
6. Step 6: Final answer
   x = 104,519.86