Finding the Fourth Proportional to 185,939.72, 256,598.82 and 101,056.80

Step by Step Solution

1. Step 1: Write the proportion equation
   185,939.72 : 256,598.82 = 101,056.80 : x
2. Step 2: Convert to fraction form
   185,939.72/256,598.82 = 101,056.80/x
3. Step 3: Cross multiply
   185,939.72x = 256,598.82 × 101,056.80
4. Step 4: Simplify right side
   185,939.72x = 25,931,055,632.98
5. Step 5: Solve for x
   x = 25,931,055,632.98/185,939.72
6. Step 6: Final answer
   x = 139,459.47