Finding the Fourth Proportional to 254,288.25, 350,928.72 and 141,111

Step by Step Solution

1. Step 1: Write the proportion equation
   254,288.25 : 350,928.72 = 141,111 : x
2. Step 2: Convert to fraction form
   254,288.25/350,928.72 = 141,111/x
3. Step 3: Cross multiply
   254,288.25x = 350,928.72 × 141,111
4. Step 4: Simplify right side
   254,288.25x = 49,519,902,607.92
5. Step 5: Solve for x
   x = 49,519,902,607.92/254,288.25
6. Step 6: Final answer
   x = 194,739.25