Finding the Fourth Proportional to 185,877.72, 256,507.56 and 100,995.39

Step by Step Solution

1. Step 1: Write the proportion equation
   185,877.72 : 256,507.56 = 100,995.39 : x
2. Step 2: Convert to fraction form
   185,877.72/256,507.56 = 100,995.39/x
3. Step 3: Cross multiply
   185,877.72x = 256,507.56 × 100,995.39
4. Step 4: Simplify right side
   185,877.72x = 25,906,081,060.15
5. Step 5: Solve for x
   x = 25,906,081,060.15/185,877.72
6. Step 6: Final answer
   x = 139,371.63