Finding the Fourth Proportional to 185,958.88, 256,613.41 and 105,387.37

Step by Step Solution

1. Step 1: Write the proportion equation
   185,958.88 : 256,613.41 = 105,387.37 : x
2. Step 2: Convert to fraction form
   185,958.88/256,613.41 = 105,387.37/x
3. Step 3: Cross multiply
   185,958.88x = 256,613.41 × 105,387.37
4. Step 4: Simplify right side
   185,958.88x = 27,043,811,876.83
5. Step 5: Solve for x
   x = 27,043,811,876.83/185,958.88
6. Step 6: Final answer
   x = 145,428.99