Finding the Fourth Proportional to 200,480.50, 276,663.09 and 111,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,480.50 : 276,663.09 = 111,056.50 : x
2. Step 2: Convert to fraction form
   200,480.50/276,663.09 = 111,056.50/x
3. Step 3: Cross multiply
   200,480.50x = 276,663.09 × 111,056.50
4. Step 4: Simplify right side
   200,480.50x = 30,725,234,454.59
5. Step 5: Solve for x
   x = 30,725,234,454.59/200,480.50
6. Step 6: Final answer
   x = 153,257.97