Finding the Fourth Proportional to 123,291.38, 170,132.41 and 75,538.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,291.38 : 170,132.41 = 75,538.23 : x
2. Step 2: Convert to fraction form
   123,291.38/170,132.41 = 75,538.23/x
3. Step 3: Cross multiply
   123,291.38x = 170,132.41 × 75,538.23
4. Step 4: Simplify right side
   123,291.38x = 12,851,500,739.34
5. Step 5: Solve for x
   x = 12,851,500,739.34/123,291.38
6. Step 6: Final answer
   x = 104,236.82