Finding the Fourth Proportional to 123,460.34, 170,373.78 and 75,046.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123,460.34 : 170,373.78 = 75,046.23 : x
2. Step 2: Convert to fraction form
   123,460.34/170,373.78 = 75,046.23/x
3. Step 3: Cross multiply
   123,460.34x = 170,373.78 × 75,046.23
4. Step 4: Simplify right side
   123,460.34x = 12,785,909,879.85
5. Step 5: Solve for x
   x = 12,785,909,879.85/123,460.34
6. Step 6: Final answer
   x = 103,562.90