Finding the Fourth Proportional to 333,028.72, 499,574.54 and 93,142.54

Step by Step Solution

1. Step 1: Write the proportion equation
   333,028.72 : 499,574.54 = 93,142.54 : x
2. Step 2: Convert to fraction form
   333,028.72/499,574.54 = 93,142.54/x
3. Step 3: Cross multiply
   333,028.72x = 499,574.54 × 93,142.54
4. Step 4: Simplify right side
   333,028.72x = 46,531,641,109.22
5. Step 5: Solve for x
   x = 46,531,641,109.22/333,028.72
6. Step 6: Final answer
   x = 139,722.61