Finding the Fourth Proportional to 185,563.27, 256,077.33 and 100,680.34

Step by Step Solution

1. Step 1: Write the proportion equation
   185,563.27 : 256,077.33 = 100,680.34 : x
2. Step 2: Convert to fraction form
   185,563.27/256,077.33 = 100,680.34/x
3. Step 3: Cross multiply
   185,563.27x = 256,077.33 × 100,680.34
4. Step 4: Simplify right side
   185,563.27x = 25,781,952,650.69
5. Step 5: Solve for x
   x = 25,781,952,650.69/185,563.27
6. Step 6: Final answer
   x = 138,938.88