Finding the Fourth Proportional to 333,977.82, 460,958.94 and 307,077.72

Step by Step Solution

1. Step 1: Write the proportion equation
   333,977.82 : 460,958.94 = 307,077.72 : x
2. Step 2: Convert to fraction form
   333,977.82/460,958.94 = 307,077.72/x
3. Step 3: Cross multiply
   333,977.82x = 460,958.94 × 307,077.72
4. Step 4: Simplify right side
   333,977.82x = 141,550,220,308.82
5. Step 5: Solve for x
   x = 141,550,220,308.82/333,977.82
6. Step 6: Final answer
   x = 423,831.20