Finding the Fourth Proportional to 185,983.92, 256,659.30 and 101,100.78

Step by Step Solution

1. Step 1: Write the proportion equation
   185,983.92 : 256,659.30 = 101,100.78 : x
2. Step 2: Convert to fraction form
   185,983.92/256,659.30 = 101,100.78/x
3. Step 3: Cross multiply
   185,983.92x = 256,659.30 × 101,100.78
4. Step 4: Simplify right side
   185,983.92x = 25,948,455,424.25
5. Step 5: Solve for x
   x = 25,948,455,424.25/185,983.92
6. Step 6: Final answer
   x = 139,519.89