Finding the Fourth Proportional to 301,374.54, 415,909.89 and 180,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,374.54 : 415,909.89 = 180,535.50 : x
2. Step 2: Convert to fraction form
   301,374.54/415,909.89 = 180,535.50/x
3. Step 3: Cross multiply
   301,374.54x = 415,909.89 × 180,535.50
4. Step 4: Simplify right side
   301,374.54x = 75,086,499,946.10
5. Step 5: Solve for x
   x = 75,086,499,946.10/301,374.54
6. Step 6: Final answer
   x = 249,146.79