Finding the Fourth Proportional to 200,772.50, 277,069.90 and 110,123.06

Step by Step Solution

1. Step 1: Write the proportion equation
   200,772.50 : 277,069.90 = 110,123.06 : x
2. Step 2: Convert to fraction form
   200,772.50/277,069.90 = 110,123.06/x
3. Step 3: Cross multiply
   200,772.50x = 277,069.90 × 110,123.06
4. Step 4: Simplify right side
   200,772.50x = 30,511,785,221.89
5. Step 5: Solve for x
   x = 30,511,785,221.89/200,772.50
6. Step 6: Final answer
   x = 151,971.93