Finding the Fourth Proportional to 123,842.04, 170,841.42 and 73,505.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,842.04 : 170,841.42 = 73,505.40 : x
2. Step 2: Convert to fraction form
   123,842.04/170,841.42 = 73,505.40/x
3. Step 3: Cross multiply
   123,842.04x = 170,841.42 × 73,505.40
4. Step 4: Simplify right side
   123,842.04x = 12,557,766,913.67
5. Step 5: Solve for x
   x = 12,557,766,913.67/123,842.04
6. Step 6: Final answer
   x = 101,401.49