Finding the Fourth Proportional to 200,868.53, 277,215.78 and 110,242.01

Step by Step Solution

1. Step 1: Write the proportion equation
   200,868.53 : 277,215.78 = 110,242.01 : x
2. Step 2: Convert to fraction form
   200,868.53/277,215.78 = 110,242.01/x
3. Step 3: Cross multiply
   200,868.53x = 277,215.78 × 110,242.01
4. Step 4: Simplify right side
   200,868.53x = 30,560,825,204.33
5. Step 5: Solve for x
   x = 30,560,825,204.33/200,868.53
6. Step 6: Final answer
   x = 152,143.42