Finding the Fourth Proportional to 123,740.82, 170,633.25 and 73,430.10

Step by Step Solution

1. Step 1: Write the proportion equation
   123,740.82 : 170,633.25 = 73,430.10 : x
2. Step 2: Convert to fraction form
   123,740.82/170,633.25 = 73,430.10/x
3. Step 3: Cross multiply
   123,740.82x = 170,633.25 × 73,430.10
4. Step 4: Simplify right side
   123,740.82x = 12,529,616,610.83
5. Step 5: Solve for x
   x = 12,529,616,610.83/123,740.82
6. Step 6: Final answer
   x = 101,256.94