Finding the Fourth Proportional to 243,053.33, 335,363.52 and 139,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   243,053.33 : 335,363.52 = 139,667.54 : x
2. Step 2: Convert to fraction form
   243,053.33/335,363.52 = 139,667.54/x
3. Step 3: Cross multiply
   243,053.33x = 335,363.52 × 139,667.54
4. Step 4: Simplify right side
   243,053.33x = 46,839,398,577.50
5. Step 5: Solve for x
   x = 46,839,398,577.50/243,053.33
6. Step 6: Final answer
   x = 192,712.43