Finding the Fourth Proportional to 185,632.72, 256,173.34 and 100,749.82

Step by Step Solution

1. Step 1: Write the proportion equation
   185,632.72 : 256,173.34 = 100,749.82 : x
2. Step 2: Convert to fraction form
   185,632.72/256,173.34 = 100,749.82/x
3. Step 3: Cross multiply
   185,632.72x = 256,173.34 × 100,749.82
4. Step 4: Simplify right side
   185,632.72x = 25,809,417,893.80
5. Step 5: Solve for x
   x = 25,809,417,893.80/185,632.72
6. Step 6: Final answer
   x = 139,034.85